Evaluation of pulmonary sequestration with multidetector computed tomography angiography in a select cohort of patients: A retrospective study

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array:2 [ "nombre" => "Fernanda Maria Vieira" "apellidos" => "Pereira" ] 2 => array:2 [ "nombre" => "Elucir" "apellidos" => "Gir" ] 3 => array:2 [ "nombre" => "Simon Ching" "apellidos" => "Lam" ] 4 => array:2 [ "nombre" => "Caio Parente" "apellidos" => "Barbosa" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1807593222010808?idApp=UINPBA00004N" "url" => "/18075932/0000007100000007/v1_202211291157/S1807593222010808/v1_202211291157/en/main.assets" ] "en" => array:19 [ "idiomaDefecto" => true "cabecera" => "CLINICAL SCIENCE" "titulo" => "Evaluation of pulmonary sequestration with multidetector computed tomography angiography in a select cohort of patients: A retrospective study" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "392" "paginaFinal" => "398" ] ] "autores" => array:1 [ 0 => array:3 [ "autoresLista" => "Qihua Long, Yunfei Zha, Zhigang Yang" "autores" => array:3 [ 0 => array:3 [ "nombre" => "Qihua" "apellidos" => "Long" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "I" "identificador" => "af1-cln_71p392" ] 1 => array:2 [ "etiqueta" => "#" "identificador" => "c2-cln_71p392" ] ] ] 1 => array:3 [ "nombre" => "Yunfei" "apellidos" => "Zha" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "I" "identificador" => "af1-cln_71p392" ] 1 => array:2 [ "etiqueta" => "#" "identificador" => "c2-cln_71p392" ] ] ] 2 => array:4 [ "nombre" => "Zhigang" "apellidos" => "Yang" "email" => array:1 [ 0 => "yangzg666@163.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "II" "identificador" => "af2-cln_71p392" ] 1 => array:2 [ "etiqueta" => "*" "identificador" => "c1-cln_71p392" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Renmin Hospital of Wuhan University, Department of Radiology, Wuhan, China" "etiqueta" => "I" "identificador" => "af1-cln_71p392" ] 1 => array:3 [ "entidad" => "Sichuan University, West China Hospital, Department of Radiology, Chengdu, China" "etiqueta" => "II" "identificador" => "af2-cln_71p392" ] ] ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig2-cln_71p392" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "cln-71-07-392-g002.jpeg" "Alto" => 559 "Ancho" => 800 "Tamanyo" => 79655 ] ] "descripcion" => array:1 [ "en" => "A 33-year-old male with intralobar sequestration that was pathologically proven to be accompanied by M. tuberculosis infection. A and B: Axial multidetector computed tomography images show the lesion with a gas-fluid level in the left lower lobe (S). The lesion exhibited mild enhancement in the solid part and no enhancement in the cavity; C and D: Axial (obtained at a lower level than A and B) and sagittal maximum intensity projection images show the aberrant artery (curved arrow) arising from the thoracic aorta (straight arrow) to the sequestered lung (S); E: A 3D multidetector computed tomography volume rendering image shows an aberrant artery (curved arrow) arising from the thoracic aorta (straight arrow) and anomalous vein (curved arrow) via the left inferior pulmonary vein to the left atrium." ] ] ] "textoCompleto" => "INTRODUCTIONPulmonary sequestration is characterized by an area of dysplastic and nonfunctional lung tissue that receives its blood supply from aberrant systemic arteries and is not in normal continuity with the tracheobronchial tree <a class="elsevierStyleCrossRef" href="#bib1">1</a>. It is usually classified as either intralobar sequestration (ILS), which is located within a lung lobe and shares the visceral pleura with the corresponding lung lobe, or extralobar sequestration (ELS), which is a separate mass of lung parenchyma enclosed entirely by a separate pleural envelope <a class="elsevierStyleCrossRef" href="#bib2">2</a>. Intralobar sequestration accounts for 75% of pulmonary sequestration, while ELS constitutes the remaining 25%. Although ILS almost always occurs within the lower lobe (98%) and more often in the left lung (55%), ELS is typically found in the posterior costodiaphragmatic sulcus <a class="elsevierStyleCrossRef" href="#bib1">1</a>,<a class="elsevierStyleCrossRef" href="#bib3">3</a>. Previous studies have assessed the sensitivity and specificity of computed tomography (CT) compared with digital subtraction angiography (DSA); however, most published reports have evaluated only a small number of cases. Therefore, the aim of the current study was to evaluate the role of multidetector computed tomography (MDCT) angiography in diagnosing pulmonary sequestration by analyzing the CT data of 43 patients with clinically proven pulmonary sequestration.MATERIALS AND METHODSPatientsThe institutional review board of our institution approved the review of the data included in this retrospective study. Informed consent was waived, but we guaranteed protection of patient confidentiality. We used the information systems from our radiology, surgery and pathology departments to identify all consecutive patients between March 2010 and October 2015. The inclusion criteria were both preoperative MDCT angiography and pathologically proven pulmonary sequestration and the exclusion criterion was pulmonary sequestration diagnosed by an alternative technique. The final study cohort consisted of 43 patients (19 males and 24 females; mean age, 34.4±14.5 [standard deviation, SD] years; range, 3–68 years). Among these individuals, 29 patients presented with cough or expectoration (20 patients had a productive cough), 11 patients presented with chest pain, 9 patients presented with fever, 7 patients presented with hemoptysis and 1 patient presented with night sweats. In other words, 17 patients had just one symptom, 18 patients had more than one symptom and the remaining 8 patients were asymptomatic and their pulmonary sequestration was accidentally discovered on routine physical examination. All patients underwent either video-assisted thoracoscopic lobectomy (n=26, 60%) or lobectomy via conventional thoracotomy (n=17 40%) to definitively diagnose their disease. The mean time interval between MDCT and surgery was 11.6±4.3 [SD] days.Scanning parametersAll CT angiographies were performed using either a dual source CT scanner (DSCT, n=28, 65%; Somatom Definition, Siemens Healthcare, Forchheim, Germany) or a 64-slice MDCT (64-MDCT, n=15, 35%; Brilliance 64, Philips Medical Systems, Eindhoven, Netherlands). All MDCT images were obtained while the patients were in a supine position and holding their breath. The parameters for the DSCT and 64-MDCT included 0.6 mm and 0.625 mm of collimation, 0.28 s and 0.42 s of rotation time, 100 kV and 120 kV of kilovoltage and 150 mAs and 180 mAs of tube current, respectively, and a helical pitch equivalent of 0.9 was used for both scanners. Weight-based kilovoltage (70–100 kV) with a low-dose tube current (30–80 mAs) was used for the children. We administered a standard dose of 10% chloral hydrate (0.3 mL/kg, not to exceed 0.6 mL/kg) to the children who were noncooperative during examination. Enhanced MDCT angiography was performed in the children with a standard dose of 1.5 mL/kg (not to exceed 2 mL/kg) of nonionic contrast agent (iopamidol, 370 mg iodin/mL; Shanghai Bracco Pharmaceutical Company, Shanghai, China), and the adult patients were administered 60–80 mL of the contrast agent. Thereafter, 20–30 mL (10–20 mL for the children) of normal saline was administered through a 20-gauge (24-gauge for the children) needle into the antecubital vein. The contrast agent was injected at a rate of 1.2–2.5 mL/s using an automatic power injector (Stellant D Dual Syringe, Medrad, Indianola, PA, USA). When the concentration of contrast medium in the ascending aorta reached 100 Hu, the CT device automatically scanned the area of coverage extending from just above the level of the thoracic inlet, including the proximal aspect of the common carotid and subclavian arteries, to the level just above the renal arteries. The acquired image datasets were then transferred to a workstation (Siemens Syngo Studio Advanced, Siemens Medical Systems, Forchheim, Germany). For reconstructions, we used CT datasets with slice thicknesses of 0.6 mm and 0.625 mm for the DSCT and 64-MDCT, respectively. Image reconstruction was performed with a 512 × 512 matrix.Imaging analysisTwo board-certified chest radiologists who were experienced in creating and interpreting two-dimensional (2D) and three-dimensional (3D) MDCT reconstructions independently reviewed the images. The reviewers were blinded to the results of other imaging studies, surgical findings, and pathologic characteristics. Any differences in the opinions of the radiologists were resolved by consensus. For the image review session, the cases were randomized so that the datasets were not reviewed consecutively for the same patient. For each case, each reviewer first interpreted the axial MDCT images, followed by the multiplanar reconstruction (MPR), maximum intensity projection (MIP), and volume rendering (VR) images. The oblique, sagittal, and coronal images were reconstructed and reviewed for all cases for MPR image evaluation. The VR images of the central airways, sequestered lungs, and vascular structures were reconstructed and reviewed as 3D images in real time. The images were rotated by the reviewers so that they could observe the central airways, sequestered lungs and anomalous vessels from any orientation.Each patient was assessed for pulmonary sequestration after at least one artery originating from systemic circulation was identified by MDCT angiography. The location, subtype, lung sequestration status, and course of each anomalous vessel were evaluated using axial, MPR, MIP and VR images by adjusting the values of the translucency or slab thicknesses. Location was assessed and recorded using the standard nomenclature for lung lobes and segments. The sizes of the sequestered lungs and anomalous vessels were measured on the MPR images. The sizes of the anomalous vessels at their largest transverse diameters were measured and recorded. Each segmental bronchus of an involved lung was reconstructed using MPR and MIP images. Moreover, the accompanying abnormalities were also recorded.Statistical analysisThe ages of the patients followed a normal distribution and were expressed as the mean, SD and range. Data were analyzed using the commercially available software package IBM SPSS (version 22, IBM, Armonk, NYC, USA). We compared differences between the feeding arteries associated with the two subtypes of pulmonary sequestration. The variables were expressed as cases (percentages) and tested using Fisher's exact test. The statistical tests were two-tailed, and p-values of less than 0.05 were considered statistically significant.RESULTSSubtypes and locationsAll patients underwent surgical resection after MDCT angiography with subsequent histopathologic confirmation of pulmonary sequestration. Both reviewers correctly diagnosed all subtypes and locations of pulmonary sequestration with high accuracy (100%). The final histopathologic diagnoses included ILS (n=40, 93.0%) and ELS (n=3, 7.0%). One patient with ELS in the right costodiaphragmatic sulcus had accompanying ILS in the right lower lobe. In 26 patients with ILS, the sequestrations were located in a single segment of lung and 14 patients had more than two segments involved. The locations, subtypes and lesions of the patients with pulmonary sequestrations are summarized in <a class="elsevierStyleCrossRef" href="#t1-cln_71p392">Table 1</a>.<elsevierMultimedia ident="t1-cln_71p392"></elsevierMultimedia>Lesions and accompanying abnormalitiesThe most common lesions of pulmonary sequestration were mass lesions (n=16, 37.2%; <a class="elsevierStyleCrossRef" href="#fig1-cln_71p392">Figure 1</a>), followed by cystic lesions (n=14, 32.6%). The mass lesions had a maximum diameter of 1.7–9.8 cm. There was mild enhancement in most mass lesions and the solid parts of cavitary lesions, while no enhancement was observed in cystic lesions. The pathological results of one patient who had a cavitary lesion with a gas-fluid interface proved to be accompanied by a Mycobacterium tuberculosis infection (<a class="elsevierStyleCrossRef" href="#fig2-cln_71p392">Figure 2</a>). Three patients with mass lesions had obvious enhancement. Thirteen patients (30.2%) had lesions with calcification.<elsevierMultimedia ident="fig1-cln_71p392"></elsevierMultimedia><elsevierMultimedia ident="fig2-cln_71p392"></elsevierMultimedia>Except for the ILS patients who had pneumonic lesions and bronchiectasis as the only lesion, we identified accompanying lesions, including chronic pneumonic (n=16, 37.2% of ILS), bronchiectasis (n=5), bronchogenic cyst (n=5), emphysema (n=3), ventricular septal defect (n=2), and accessory spleen (n=2), in most patients. Accompanying pleural thickening and lymph node enlargement were each identified in 8 patients.AngioarchitectureAll pulmonary sequestration patients were found to have associated anomalous feeding arteries and draining veins on MDCT images. Both reviewers correctly detected anomalous arteries and draining veins associated with pulmonary sequestration with high accuracy (100%). The anomalous arteries ranged in size from 0.2–1.2 cm, with an average of 0.5 cm. The feeding arteries and draining veins of the pulmonary sequestrations are summarized in <a class="elsevierStyleCrossRef" href="#t2-cln_71p392">Table 2</a>. The feeding arteries most commonly originated from the thoracic aorta (n=37, 86.1%). All the feeding arteries of left-sided pulmonary sequestration came from the thoracic aorta. The pulmonary sequestrations on the right side were supplied by the thoracic aorta in 7 cases and by the abdominal aorta or its branches (<a class="elsevierStyleCrossRef" href="#fig3-cln_71p392">Figure 3</a>) in 6 cases. The draining veins reflowed into the left or right inferior pulmonary vein in 37 ILS patients (92.5%) and in the remaining ILS patients they reflowed into the azygos vein system. The patient who had ELS accompanying ILS had an artery from the celiac trunk to both the ILS and ELS and the ILS drained into the left atrium via the right inferior pulmonary vein, while the ELS drained into the right atrium via the hemiazygos vein.<elsevierMultimedia ident="t2-cln_71p392"></elsevierMultimedia><elsevierMultimedia ident="fig3-cln_71p392"></elsevierMultimedia>As shown in <a class="elsevierStyleCrossRef" href="#t2-cln_71p392">Table 2</a>, the differences in arterial supply from the thoracic aorta or from the celiac trunk between the ILS and the ELS cases were not considered statistically significant (p=0.370 and p=0.259, respectively).DISCUSSIONPulmonary sequestration, a rare pulmonary malformation that constitutes approximately 0.15–6.4% of all congenital pulmonary malformations, was initially described by Pryce in 1946 <a class="elsevierStyleCrossRef" href="#bib3">3</a>,<a class="elsevierStyleCrossRef" href="#bib4">4</a>. The pathogenesis of ILS is controversial. In the past, ILS and ELS were described as having a shared embryologic origin in many medical publications <a class="elsevierStyleCrossRef" href="#bib4">4</a>. It is currently widely accepted that ILS is an acquired disease that is associated with bronchial obstruction, pneumonia and pleuritis. This could be partially attributed to the development of a systemic arterial supply secondary to angiogenic growth factors that are activated by recurrent infections. This would be the most plausible explanation for why ILS is found more frequently in adults and is rarely accompanied by other congenital diseases <a class="elsevierStyleCrossRef" href="#bib5">5</a>,<a class="elsevierStyleCrossRef" href="#bib6">6</a>. Conversely, ELS is consistently accepted to be a truly congenital disease arising from the primitive foregut. This is consistent with its diagnosis, which typically occurs during the neonatal period and is usually association with other congenital anomalies <a class="elsevierStyleCrossRef" href="#bib7">7</a>.Intralobar sequestration may be detected at any age and more than half of affected patients are diagnosed after the age of twenty. In contrast, ELS is more commonly diagnosed during the fetal and neonatal period and concurrent with diaphragmatic hernias, cardiac anomalies, or pulmonary hypoplasia <a class="elsevierStyleCrossRef" href="#bib3">3</a>,<a class="elsevierStyleCrossRef" href="#bib8">8</a>. As previously described <a class="elsevierStyleCrossRef" href="#bib7">7</a>, ILS equally affects both males and females, but ELS has a male predominance. Some patients with pulmonary sequestration are asymptomatic and incidentally discovered. Recurrent episodes of pneumonia are the most common symptoms of patients with ILS because bronchial drainage does not proceed normally when bacteria have colonized a sequestered lung. Grossly, ILS usually has chronic inflammation due to recurrent infection, with fibrosis and cysts in the parenchyma and occasional adjacent pleural thickening with adhesions <a class="elsevierStyleCrossRef" href="#bib9">9</a>. However, ELS may appear normal on histology or only occasionally show chronic inflammation, while the cut surface may reveal cystic changes, fibrosis, or purulent secretions.Our series contained 37 patients with ILS (92.5%) who were diagnosed over 20 years. Most of these patients had accompanying pneumonic lesions, pleural thickening and enlargement of the lymph nodes and some lesions with calcification were also found. In ILS, the lymphatic circulation tends to drain to lymph nodes adjacent to the thoracic aorta. All of the above may be evidence of ILS being an acquired disease. However, we had one patient with ELS accompanying ILS in our study and 2 patients with accompanying accessory spleen and ventricular septal defects, which may instead support a congenital pathogenesis of ILS.Similar with Wei et al.'s <a class="elsevierStyleCrossRef" href="#bib10">10</a> study, the most common lesions identified in our series were mass lesions on MDCT. There was mild enhancement in patients with mass lesions and in the solid parts of cavitary lesions. Moreover, one patient had a cavitary lesion on MDCT, and the lesion was pathologically proved to be accompanied by an M. tuberculosis infection. The tuberculosis was confined to the sequestered lung tissue owing to the lack of connection between the sequestered lung and the normal bronchial tree <a class="elsevierStyleCrossRef" href="#bib11">11</a>.The majority of the aberrant arteries in ILS arise from the thoracic aorta (75%) or abdominal aorta (15–20%). However, they can also originate from other smaller arteries that branch from either of these vessels. The pulmonary veins usually provide venous drainage into the left atrium in ILS <a class="elsevierStyleCrossRef" href="#bib12">12</a>. Moreover, 80% of the sequestered lungs in patients with ELS are typically supplied by an anomalous artery that arises directly from the thoracic or abdominal aorta. The azygos vein system or superior vena cava provides systemic venous drainage into the right atrium <a class="elsevierStyleCrossRef" href="#bib1">1</a>,<a class="elsevierStyleCrossRef" href="#bib7">7</a>. The diagnosis of pulmonary sequestration traditionally requires DSA to identify the aberrant arteries that feed the sequestered lung <a class="elsevierStyleCrossRef" href="#bib13">13</a>. Although DSA is capable of identifying the aberrant arterial supply of a sequestered lung, it is invasive, requires hospitalization and does not provide sufficient information about pulmonary structure. At present, noninvasive imaging techniques, including MDCT, magnetic resonance imaging (MRI) and color Doppler ultrasonography, are also suitable diagnostics for pulmonary sequestration because of their capacity to both show a sequestered lung with anatomic localization and to reveal vessels. Particularly, MDCT has been proven to be equally effective to DSA and is regarded as a safer alternative, which can also overcome some limitations of MRI and ultrasound. Multidetector CT is not only capable of clearly identifying the angioarchitecture of pulmonary sequestration but also simultaneously yields the maximum information about parenchymal changes in a single examination when combined with advanced post-processing techniques <a class="elsevierStyleCrossRef" href="#bib14">14</a>. There are two principle objectives of MDCT angiography for the investigation of a suspected case of pulmonary sequestration: 1) to confirm the presence of an anomalous systemic arterial supply to the sequestered lung and 2) to distinguish pulmonary sequestration from other lung opacities <a class="elsevierStyleCrossRef" href="#bib13">13</a>. The ability to rotate 3D VR images and display them in any orientation is helpful in discerning the relationships that exist within aberrant angioarchitecture <a class="elsevierStyleCrossRef" href="#bib15">15</a>. These advantages of MDCT arise from its faster scanning and improved volume acquisition <a class="elsevierStyleCrossRef" href="#bib16">16</a>. In light of these advantages, MDCT has the potential to become a first-line examination for the preoperative assessment of pulmonary sequestration. In our study, MDCT angiography successfully delineated the origins and courses of the anomalous systemic arteries and venous drainage systems in all cases. The feeding arteries most commonly originated from the thoracic aorta. Indeed, our study showed a greater percentage of this type of origination than a study reported by Savic et al. <a class="elsevierStyleCrossRef" href="#bib3">3</a>, which may have been due to the limited number of samples. All the feeding arteries of pulmonary sequestration that were observed on the left side were from the thoracic aorta. The majority of the patients with right-sided pulmonary sequestration had feeding arteries that originated from the abdominal aorta or its branches. The draining vein reflowed into the inferior pulmonary vein in 37 patients (86.0%), which was a higher percentage than that reported by Yue et al.'s <a class="elsevierStyleCrossRef" href="#bib17">17</a> but a lower percentage than reported by Savic et al. <a class="elsevierStyleCrossRef" href="#bib3">3</a>. The differences between ILS and ELS supplied by the celiac trunk or from the thoracic aorta were not considered to be statistically significant.Surgical resection is the conventional standard treatment for both symptomatic and asymptomatic patients with pulmonary sequestration to prevent possible infection, congestive heart failure, and hemoptysis <a class="elsevierStyleCrossRef" href="#bib18">18</a>, but its value is debatable in asymptomatic patients <a class="elsevierStyleCrossRef" href="#bib19">19</a>. Nevertheless, most patients with pulmonary sequestration require a lobectomy, or at least a segmentectomy, of the involved lung, which are usually performed via conventional thoracotomy or video-assisted thoracoscopic resection <a class="elsevierStyleCrossRef" href="#bib20">20</a>. Recently, interventional treatment has emerged as a minimally invasive surgical alternative to lobectomy, especially in neonates and children <a class="elsevierStyleCrossRef" href="#bib21">21</a>,<a class="elsevierStyleCrossRef" href="#bib22">22</a>. An essential requirement for surgery is to identify and control aberrant angioarchitecture. Careful preoperative identification of systemic arterial supply and venous drainage from a pulmonary sequestration is necessary to avoid hemorrhage during surgery <a class="elsevierStyleCrossRef" href="#bib23">23</a>. MDCT information, including locations, morphological features and angioarchitectures of pulmonary sequestrations, is helpful for making preoperative decisions. In summary, MDCT angiography can be used to accurately identify the systemic arterial supply and drainage veins of a pulmonary sequestration when compared with pathological and surgical findings. In particular, this method yielded the maximum information for visualizing lung abnormalities, airways changes and small and tortuous vessels and should contribute to the development of surgical strategies.AUTHOR CONTRIBUTIONSLong Q and Zha Y prepared <a class="elsevierStyleCrossRef" href="#t1-cln_71p392">Tables 1</a>-<a class="elsevierStyleCrossRef" href="#t2-cln_71p392">2</a> and <a class="elsevierStyleCrossRef" href="#fig1-cln_71p392">Figures 1</a>-<a class="elsevierStyleCrossRef" href="#fig3-cln_71p392">3</a> and wrote the main manuscript text. All authors reviewed the manuscript, study concepts and design. Yang Z is the guarantor of the integrity of the entire study and also performed manuscript revision/review and final version approval." "textoCompletoSecciones" => array:1 [ "secciones" => array:7 [ 0 => array:2 [ "identificador" => "xpalclavsec1580631" "titulo" => "KEYWORDS" ] 1 => array:2 [ "identificador" => "cesec10" "titulo" => "INTRODUCTION" ] 2 => array:3 [ "identificador" => "cesec20" "titulo" => "MATERIALS AND METHODS" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "cesec30" "titulo" => "Patients" ] 1 => array:2 [ "identificador" => "cesec40" "titulo" => "Scanning parameters" ] 2 => array:2 [ "identificador" => "cesec50" "titulo" => "Imaging analysis" ] 3 => array:2 [ "identificador" => "cesec60" "titulo" => "Statistical analysis" ] ] ] 3 => array:3 [ "identificador" => "cesec70" "titulo" => "RESULTS" "secciones" => array:3 [ 0 => array:2 [ "identificador" => "cesec80" "titulo" => "Subtypes and locations" ] 1 => array:2 [ "identificador" => "cesec90" "titulo" => "Lesions and accompanying abnormalities" ] 2 => array:2 [ "identificador" => "cesec100" "titulo" => "Angioarchitecture" ] ] ] 4 => array:2 [ "identificador" => "cesec110" "titulo" => "DISCUSSION" ] 5 => array:2 [ "identificador" => "cesec120" "titulo" => "AUTHOR CONTRIBUTIONS" ] 6 => array:1 [ "titulo" => "REFERENCES" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2016-02-02" "fechaAceptado" => "2016-04-14" "PalabrasClave" => array:1 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "KEYWORDS" "identificador" => "xpalclavsec1580631" "palabras" => array:3 [ 0 => "Pulmonary Sequestration" 1 => "Computed Tomography" 2 => "Congenital Anomalies" ] ] ] ] "tieneResumen" => true "resumen" => array:1 [ "en" => array:2 [ "resumen" => "OBJECTIVES:This study aimed to evaluate the role of multidetector computed tomography angiography in diagnosing patients with pulmonary sequestration. METHODS:We retrospectively analyzed the computed tomography studies and clinical materials of 43 patients who had undergone preoperative multidetector computed tomography angiography in our hospital and had pathologically proven pulmonary sequestration. Each examination of pulmonary sequestration was reviewed for type, location, parenchymal changes, arterial supply and venous drainage on two-dimensional and three-dimensional computed tomography images. RESULTS:Multidetector computed tomography successfully detected all pulmonary sequestrations in the 43 patients (100%). This included 40 patients (93.0%) with intralobar sequestration and 3 patients (7.0%) with extralobar sequestration. The locations of pulmonary sequestration were left lower lobe (28 cases, 70% of intralobar sequestrations), right lower lobe (12 cases, 30% of intralobar sequestrations) and costodiaphragmatic sulcus (3 cases). Cases of sequestered lung presented as mass lesions (37.2%), cystic lesions (32.6%), pneumonic lesions (16.3%), cavitary lesions (9.3%) and bronchiectasis (4.6%). The angioarchitecture of pulmonary sequestration, including feeding arteries from the thoracic aorta (86.1%), celiac truck (9.3%), abdominal aorta (2.3%) and left gastric artery (2.3%) and venous drainage into inferior pulmonary veins (86.0%) and the azygos vein system (14.0%), was visualized on multidetector computed tomography. Finally, the multidetector computed tomography angiography results of the sequestered lungs and angioarchitectures were surgically confirmed in all the patients. CONCLUSIONS:As a noninvasive modality, multidetector computed tomography angiography is helpful for making diagnostic decisions regarding pulmonary sequestration with high confidence and for visualizing the related parenchymal characteristics, arterial supply, and venous drainage features to help plan surgical strategies." "secciones" => array:4 [ 0 => array:2 [ "identificador" => "ceabs10" "titulo" => "OBJECTIVES:" ] 1 => array:2 [ "identificador" => "ceabs20" "titulo" => "METHODS:" ] 2 => array:2 [ "identificador" => "ceabs30" "titulo" => "RESULTS:" ] 3 => array:2 [ "identificador" => "ceabs40" "titulo" => "CONCLUSIONS:" ] ] ] ] "NotaPie" => array:1 [ 0 => array:1 [ "nota" => "No potential conflict of interest was reported." ] ] "multimedia" => array:5 [ 0 => array:7 [ "identificador" => "fig1-cln_71p392" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "cln-71-07-392-g001.jpeg" "Alto" => 636 "Ancho" => 800 "Tamanyo" => 73347 ] ] "descripcion" => array:1 [ "en" => "A 32-year-old male with intralobar sequestration. A and B: Axial multidetector computed tomography images show a mass in the right lower lobe (S); C: An axial multidetector computed tomography image obtained at a level lower than A and B shows an aberrant artery (curved arrow) arising from the thoracic aorta (straight arrow) to the sequestered lung (S); D: A 3D multidetector computed tomography volume rendering image shows an aberrant artery (curved arrow) from the thoracic aorta (straight arrow) to the right lower lobe." ] ] 1 => array:7 [ "identificador" => "fig2-cln_71p392" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "cln-71-07-392-g002.jpeg" "Alto" => 559 "Ancho" => 800 "Tamanyo" => 79655 ] ] "descripcion" => array:1 [ "en" => "A 33-year-old male with intralobar sequestration that was pathologically proven to be accompanied by M. tuberculosis infection. A and B: Axial multidetector computed tomography images show the lesion with a gas-fluid level in the left lower lobe (S). The lesion exhibited mild enhancement in the solid part and no enhancement in the cavity; C and D: Axial (obtained at a lower level than A and B) and sagittal maximum intensity projection images show the aberrant artery (curved arrow) arising from the thoracic aorta (straight arrow) to the sequestered lung (S); E: A 3D multidetector computed tomography volume rendering image shows an aberrant artery (curved arrow) arising from the thoracic aorta (straight arrow) and anomalous vein (curved arrow) via the left inferior pulmonary vein to the left atrium." ] ] 2 => array:7 [ "identificador" => "fig3-cln_71p392" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "cln-71-07-392-g003.jpeg" "Alto" => 653 "Ancho" => 800 "Tamanyo" => 81594 ] ] "descripcion" => array:1 [ "en" => "A 30-year-old male with intralobar sequestration. A: Axial multidetector computed tomography images show a mass with calcification in the right lower lobe (S); B: A coronary multidetector computed tomography image shows an aberrant artery (curved arrow) arising from the left gastric artery (straight arrow) to the sequestered lung (S); C and D: Two 3D multidetector computed tomography volume rendering images show an aberrant artery (curved arrow) from the left gastric artery (straight arrow) to the right lower lobe." ] ] 3 => array:7 [ "identificador" => "t1-cln_71p392" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:3 [ "leyenda" => "ILS = intralobar sequestration, ELS = extralobar sequestration" "tablatextoimagen" => array:1 [ 0 => array:1 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Locations/lesions \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">All patients (n=43) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">ILS (n=40) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">ELS (n=3) \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Locations [n (%)] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Left lower lobe \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">28 (65.1) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">28 (70.0) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Right lower lobe \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12 (27.9) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12 (30.0) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Left costodiaphragmatic sulcus \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Right costodiaphragmatic sulcus \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1<a class="elsevierStyleCrossRef" href="#tfn2-cln_71p392">*</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Lesions [n (%)] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Mass lesions \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">16 (37.2) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">14 (35.0) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 (66.7) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Cystic lesions \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">14 (32.6) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">14 (35.0) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Pneumonic lesions \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7 (16.3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7 (17.5) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Cavitary lesions \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4 (9.3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4 (10.0) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Bronchiectasis \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 (4.6) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] ] ] "notaPie" => array:1 [ 0 => array:3 [ "identificador" => "tfn2-cln_71p392" "etiqueta" => "*" "nota" => "= the patient with ELS and accompanying ILS." ] ] ] "descripcion" => array:1 [ "en" => "Location and lesion details for 43 patients with pulmonary sequestration." ] ] 4 => array:7 [ "identificador" => "t2-cln_71p392" "etiqueta" => "Table 2" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:3 [ "leyenda" => "ILS = intralobar sequestration, ELS = extralobar sequestration" "tablatextoimagen" => array:1 [ 0 => array:1 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " rowspan="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Angioarchitecture</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " rowspan="2" align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">All patients (n=43)</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " colspan="2" align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">n=40)</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " colspan="2" align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">ELS (n=3)</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">p- values \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Right \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Left \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Right \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Left \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">ILS vs. ELS \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Feeding arteries [n (%)] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Thoracic aorta \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">37 (86.1) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7 (58.3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">28 (100) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 (100) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.370 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Celiac trunk \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4 (9.3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3 (25.0) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1<a class="elsevierStyleCrossRef" href="#tfn4-cln_71p392">*</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.259 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Left gastric artery \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 (2.3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Abdominal aorta \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 (2.3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Draining veins [n (%)] \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Left inferior pulmonary vein \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">25 (58.1) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">25 (89.3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Right inferior pulmonary vein \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12 (27.9) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Azygos vein system \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6 (14.0) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3 (10.7) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1<a class="elsevierStyleCrossRef" href="#tfn4-cln_71p392">*</a> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">- \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] ] ] "notaPie" => array:1 [ 0 => array:3 [ "identificador" => "tfn4-cln_71p392" "etiqueta" => "*" "nota" => "= The case with ELS and accompanying ILS with an anomalous artery from the celiac trunk and venous drainage into both the right inferior pulmonary vein and hemiazygos vein." ] ] ] "descripcion" => array:1 [ "en" => "Angioarchitecture details for 43 patients with pulmonary sequestration." ] ] ] "bibliografia" => array:2 [ "titulo" => "REFERENCES" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "cebibsec10" "bibliografiaReferencia" => array:23 [ 0 => array:3 [ "identificador" => "bib1" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Sequestrations, Congenital cystic adenomatoid malformations, and congenital lobar emphysema" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => """ EN Mendeloff \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:2 [ 0 => array:2 [ "doi" => "10.1053/j.semtcvs.2004.08.007" "Revista" => array:7 [ "tituloSerie" => "Semin Thorac Cardiovasc Surg" "fecha" => "2004" "volumen" => "16" "numero" => "3" "paginaInicial" => "209" "paginaFinal" => "214" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15619187" "web" => "Medline" ] ] ] ] 1 => array:2 [ "doi" => "10.1053/j.semtcvs.2004.08.007" "WWW" => array:1 [ "link" => "http://dx.doi.org/10.1053/j.semtcvs.2004.08.007" ] ] ] ] ] ] 1 => array:3 [ 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CLINICAL SCIENCE

Qihua LongI,#, Yunfei ZhaI,#, Zhigang YangII,

I Renmin Hospital of Wuhan University, Department of Radiology, Wuhan, China

II Sichuan University, West China Hospital, Department of Radiology, Chengdu, China

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Although ILS almost always occurs within the lower lobe &#40;98&#37;&#41; and more often in the left lung &#40;55&#37;&#41;&#44; ELS is typically found in the posterior costodiaphragmatic sulcus <a class="elsevierStyleCrossRef" href="#bib1">1</a>&#44;<a class="elsevierStyleCrossRef" href="#bib3">3</a>&#46; Previous studies have assessed the sensitivity and specificity of computed tomography &#40;CT&#41; compared with digital subtraction angiography &#40;DSA&#41;&#59; however&#44; most published reports have evaluated only a small number of cases&#46; Therefore&#44; the aim of the current study was to evaluate the role of multidetector computed tomography &#40;MDCT&#41; angiography in diagnosing pulmonary sequestration by analyzing the CT data of 43 patients with clinically proven pulmonary sequestration&#46;</p></span><span id="cesec20" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle60">MATERIALS AND METHODS</span><span id="cesec30" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle70">Patients</span><p id="para20" class="elsevierStylePara elsevierViewall">The institutional review board of our institution approved the review of the data included in this retrospective study&#46; Informed consent was waived&#44; but we guaranteed protection of patient confidentiality&#46; We used the information systems from our radiology&#44; surgery and pathology departments to identify all consecutive patients between March 2010 and October 2015&#46; The inclusion criteria were both preoperative MDCT angiography and pathologically proven pulmonary sequestration and the exclusion criterion was pulmonary sequestration diagnosed by an alternative technique&#46; The final study cohort consisted of 43 patients &#40;19 males and 24 females&#59; mean age&#44; 34&#46;4&#177;14&#46;5 &#91;standard deviation&#44; SD&#93; years&#59; range&#44; 3&#8211;68 years&#41;&#46; Among these individuals&#44; 29 patients presented with cough or expectoration &#40;20 patients had a productive cough&#41;&#44; 11 patients presented with chest pain&#44; 9 patients presented with fever&#44; 7 patients presented with hemoptysis and 1 patient presented with night sweats&#46; In other words&#44; 17 patients had just one symptom&#44; 18 patients had more than one symptom and the remaining 8 patients were asymptomatic and their pulmonary sequestration was accidentally discovered on routine physical examination&#46; All patients underwent either video-assisted thoracoscopic lobectomy &#40;n&#61;26&#44; 60&#37;&#41; or lobectomy via conventional thoracotomy &#40;n&#61;17 40&#37;&#41; to definitively diagnose their disease&#46; The mean time interval between MDCT and surgery was 11&#46;6&#177;4&#46;3 &#91;SD&#93; days&#46;</p></span><span id="cesec40" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle80">Scanning parameters</span><p id="para30" class="elsevierStylePara elsevierViewall">All CT angiographies were performed using either a dual source CT scanner &#40;DSCT&#44; n&#61;28&#44; 65&#37;&#59; Somatom Definition&#44; Siemens Healthcare&#44; Forchheim&#44; Germany&#41; or a 64-slice MDCT &#40;64-MDCT&#44; n&#61;15&#44; 35&#37;&#59; Brilliance 64&#44; Philips Medical Systems&#44; Eindhoven&#44; Netherlands&#41;&#46; All MDCT images were obtained while the patients were in a supine position and holding their breath&#46; The parameters for the DSCT and 64-MDCT included 0&#46;6 mm and 0&#46;625 mm of collimation&#44; 0&#46;28 s and 0&#46;42 s of rotation time&#44; 100 kV and 120 kV of kilovoltage and 150 mAs and 180 mAs of tube current&#44; respectively&#44; and a helical pitch equivalent of 0&#46;9 was used for both scanners&#46; Weight-based kilovoltage &#40;70&#8211;100 kV&#41; with a low-dose tube current &#40;30&#8211;80 mAs&#41; was used for the children&#46; We administered a standard dose of 10&#37; chloral hydrate &#40;0&#46;3 mL&#47;kg&#44; not to exceed 0&#46;6 mL&#47;kg&#41; to the children who were noncooperative during examination&#46; Enhanced MDCT angiography was performed in the children with a standard dose of 1&#46;5 mL&#47;kg &#40;not to exceed 2 mL&#47;kg&#41; of nonionic contrast agent &#40;iopamidol&#44; 370 mg iodin&#47;mL&#59; Shanghai Bracco Pharmaceutical Company&#44; Shanghai&#44; China&#41;&#44; and the adult patients were administered 60&#8211;80 mL of the contrast agent&#46; Thereafter&#44; 20&#8211;30 mL &#40;10&#8211;20 mL for the children&#41; of normal saline was administered through a 20-gauge &#40;24-gauge for the children&#41; needle into the antecubital vein&#46; The contrast agent was injected at a rate of 1&#46;2&#8211;2&#46;5 mL&#47;s using an automatic power injector &#40;Stellant D Dual Syringe&#44; Medrad&#44; Indianola&#44; PA&#44; USA&#41;&#46; When the concentration of contrast medium in the ascending aorta reached 100 Hu&#44; the CT device automatically scanned the area of coverage extending from just above the level of the thoracic inlet&#44; including the proximal aspect of the common carotid and subclavian arteries&#44; to the level just above the renal arteries&#46; The acquired image datasets were then transferred to a workstation &#40;Siemens Syngo Studio Advanced&#44; Siemens Medical Systems&#44; Forchheim&#44; Germany&#41;&#46; For reconstructions&#44; we used CT datasets with slice thicknesses of 0&#46;6 mm and 0&#46;625 mm for the DSCT and 64-MDCT&#44; respectively&#46; Image reconstruction was performed with a 512 &#215; 512 matrix&#46;</p></span><span id="cesec50" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle90">Imaging analysis</span><p id="para40" class="elsevierStylePara elsevierViewall">Two board-certified chest radiologists who were experienced in creating and interpreting two-dimensional &#40;2D&#41; and three-dimensional &#40;3D&#41; MDCT reconstructions independently reviewed the images&#46; The reviewers were blinded to the results of other imaging studies&#44; surgical findings&#44; and pathologic characteristics&#46; Any differences in the opinions of the radiologists were resolved by consensus&#46; For the image review session&#44; the cases were randomized so that the datasets were not reviewed consecutively for the same patient&#46; For each case&#44; each reviewer first interpreted the axial MDCT images&#44; followed by the multiplanar reconstruction &#40;MPR&#41;&#44; maximum intensity projection &#40;MIP&#41;&#44; and volume rendering &#40;VR&#41; images&#46; The oblique&#44; sagittal&#44; and coronal images were reconstructed and reviewed for all cases for MPR image evaluation&#46; The VR images of the central airways&#44; sequestered lungs&#44; and vascular structures were reconstructed and reviewed as 3D images in real time&#46; The images were rotated by the reviewers so that they could observe the central airways&#44; sequestered lungs and anomalous vessels from any orientation&#46;</p><p id="para50" class="elsevierStylePara elsevierViewall">Each patient was assessed for pulmonary sequestration after at least one artery originating from systemic circulation was identified by MDCT angiography&#46; The location&#44; subtype&#44; lung sequestration status&#44; and course of each anomalous vessel were evaluated using axial&#44; MPR&#44; MIP and VR images by adjusting the values of the translucency or slab thicknesses&#46; Location was assessed and recorded using the standard nomenclature for lung lobes and segments&#46; The sizes of the sequestered lungs and anomalous vessels were measured on the MPR images&#46; The sizes of the anomalous vessels at their largest transverse diameters were measured and recorded&#46; Each segmental bronchus of an involved lung was reconstructed using MPR and MIP images&#46; Moreover&#44; the accompanying abnormalities were also recorded&#46;</p></span><span id="cesec60" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle100">Statistical analysis</span><p id="para60" class="elsevierStylePara elsevierViewall">The ages of the patients followed a normal distribution and were expressed as the mean&#44; SD and range&#46; Data were analyzed using the commercially available software package IBM SPSS &#40;version 22&#44; IBM&#44; Armonk&#44; NYC&#44; USA&#41;&#46; We compared differences between the feeding arteries associated with the two subtypes of pulmonary sequestration&#46; The variables were expressed as cases &#40;percentages&#41; and tested using Fisher&#39;s exact test&#46; The statistical tests were two-tailed&#44; and <span class="elsevierStyleItalic">p</span>-values of less than 0&#46;05 were considered statistically significant&#46;</p></span></span><span id="cesec70" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle110">RESULTS</span><span id="cesec80" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle120">Subtypes and locations</span><p id="para70" class="elsevierStylePara elsevierViewall">All patients underwent surgical resection after MDCT angiography with subsequent histopathologic confirmation of pulmonary sequestration&#46; Both reviewers correctly diagnosed all subtypes and locations of pulmonary sequestration with high accuracy &#40;100&#37;&#41;&#46; The final histopathologic diagnoses included ILS &#40;n&#61;40&#44; 93&#46;0&#37;&#41; and ELS &#40;n&#61;3&#44; 7&#46;0&#37;&#41;&#46; One patient with ELS in the right costodiaphragmatic sulcus had accompanying ILS in the right lower lobe&#46; In 26 patients with ILS&#44; the sequestrations were located in a single segment of lung and 14 patients had more than two segments involved&#46; The locations&#44; subtypes and lesions of the patients with pulmonary sequestrations are summarized in <a class="elsevierStyleCrossRef" href="#t1-cln_71p392">Table 1</a>&#46;</p><elsevierMultimedia ident="t1-cln_71p392"></elsevierMultimedia></span><span id="cesec90" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle130">Lesions and accompanying abnormalities</span><p id="para80" class="elsevierStylePara elsevierViewall">The most common lesions of pulmonary sequestration were mass lesions &#40;n&#61;16&#44; 37&#46;2&#37;&#59; <a class="elsevierStyleCrossRef" href="#fig1-cln_71p392">Figure 1</a>&#41;&#44; followed by cystic lesions &#40;n&#61;14&#44; 32&#46;6&#37;&#41;&#46; The mass lesions had a maximum diameter of 1&#46;7&#8211;9&#46;8 cm&#46; There was mild enhancement in most mass lesions and the solid parts of cavitary lesions&#44; while no enhancement was observed in cystic lesions&#46; The pathological results of one patient who had a cavitary lesion with a gas-fluid interface proved to be accompanied by a <span class="elsevierStyleItalic">Mycobacterium tuberculosis</span> infection &#40;<a class="elsevierStyleCrossRef" href="#fig2-cln_71p392">Figure 2</a>&#41;&#46; Three patients with mass lesions had obvious enhancement&#46; Thirteen patients &#40;30&#46;2&#37;&#41; had lesions with calcification&#46;</p><elsevierMultimedia ident="fig1-cln_71p392"></elsevierMultimedia><elsevierMultimedia ident="fig2-cln_71p392"></elsevierMultimedia><p id="para90" class="elsevierStylePara elsevierViewall">Except for the ILS patients who had pneumonic lesions and bronchiectasis as the only lesion&#44; we identified accompanying lesions&#44; including chronic pneumonic &#40;n&#61;16&#44; 37&#46;2&#37; of ILS&#41;&#44; bronchiectasis &#40;n&#61;5&#41;&#44; bronchogenic cyst &#40;n&#61;5&#41;&#44; emphysema &#40;n&#61;3&#41;&#44; ventricular septal defect &#40;n&#61;2&#41;&#44; and accessory spleen &#40;n&#61;2&#41;&#44; in most patients&#46; Accompanying pleural thickening and lymph node enlargement were each identified in 8 patients&#46;</p></span><span id="cesec100" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle140">Angioarchitecture</span><p id="para100" class="elsevierStylePara elsevierViewall">All pulmonary sequestration patients were found to have associated anomalous feeding arteries and draining veins on MDCT images&#46; Both reviewers correctly detected anomalous arteries and draining veins associated with pulmonary sequestration with high accuracy &#40;100&#37;&#41;&#46; The anomalous arteries ranged in size from 0&#46;2&#8211;1&#46;2 cm&#44; with an average of 0&#46;5 cm&#46; The feeding arteries and draining veins of the pulmonary sequestrations are summarized in <a class="elsevierStyleCrossRef" href="#t2-cln_71p392">Table 2</a>&#46; The feeding arteries most commonly originated from the thoracic aorta &#40;n&#61;37&#44; 86&#46;1&#37;&#41;&#46; All the feeding arteries of left-sided pulmonary sequestration came from the thoracic aorta&#46; The pulmonary sequestrations on the right side were supplied by the thoracic aorta in 7 cases and by the abdominal aorta or its branches &#40;<a class="elsevierStyleCrossRef" href="#fig3-cln_71p392">Figure 3</a>&#41; in 6 cases&#46; The draining veins reflowed into the left or right inferior pulmonary vein in 37 ILS patients &#40;92&#46;5&#37;&#41; and in the remaining ILS patients they reflowed into the azygos vein system&#46; The patient who had ELS accompanying ILS had an artery from the celiac trunk to both the ILS and ELS and the ILS drained into the left atrium via the right inferior pulmonary vein&#44; while the ELS drained into the right atrium via the hemiazygos vein&#46;</p><elsevierMultimedia ident="t2-cln_71p392"></elsevierMultimedia><elsevierMultimedia ident="fig3-cln_71p392"></elsevierMultimedia><p id="para110" class="elsevierStylePara elsevierViewall">As shown in <a class="elsevierStyleCrossRef" href="#t2-cln_71p392">Table 2</a>&#44; the differences in arterial supply from the thoracic aorta or from the celiac trunk between the ILS and the ELS cases were not considered statistically significant &#40;<span class="elsevierStyleItalic">p</span>&#61;0&#46;370 and <span class="elsevierStyleItalic">p</span>&#61;0&#46;259&#44; respectively&#41;&#46;</p></span></span><span id="cesec110" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle150">DISCUSSION</span><p id="para120" class="elsevierStylePara elsevierViewall">Pulmonary sequestration&#44; a rare pulmonary malformation that constitutes approximately 0&#46;15&#8211;6&#46;4&#37; of all congenital pulmonary malformations&#44; was initially described by Pryce in 1946 <a class="elsevierStyleCrossRef" href="#bib3">3</a>&#44;<a class="elsevierStyleCrossRef" href="#bib4">4</a>&#46; The pathogenesis of ILS is controversial&#46; In the past&#44; ILS and ELS were described as having a shared embryologic origin in many medical publications <a class="elsevierStyleCrossRef" href="#bib4">4</a>&#46; It is currently widely accepted that ILS is an acquired disease that is associated with bronchial obstruction&#44; pneumonia and pleuritis&#46; This could be partially attributed to the development of a systemic arterial supply secondary to angiogenic growth factors that are activated by recurrent infections&#46; This would be the most plausible explanation for why ILS is found more frequently in adults and is rarely accompanied by other congenital diseases <a class="elsevierStyleCrossRef" href="#bib5">5</a>&#44;<a class="elsevierStyleCrossRef" href="#bib6">6</a>&#46; Conversely&#44; ELS is consistently accepted to be a truly congenital disease arising from the primitive foregut&#46; This is consistent with its diagnosis&#44; which typically occurs during the neonatal period and is usually association with other congenital anomalies <a class="elsevierStyleCrossRef" href="#bib7">7</a>&#46;</p><p id="para130" class="elsevierStylePara elsevierViewall">Intralobar sequestration may be detected at any age and more than half of affected patients are diagnosed after the age of twenty&#46; In contrast&#44; ELS is more commonly diagnosed during the fetal and neonatal period and concurrent with diaphragmatic hernias&#44; cardiac anomalies&#44; or pulmonary hypoplasia <a class="elsevierStyleCrossRef" href="#bib3">3</a>&#44;<a class="elsevierStyleCrossRef" href="#bib8">8</a>&#46; As previously described <a class="elsevierStyleCrossRef" href="#bib7">7</a>&#44; ILS equally affects both males and females&#44; but ELS has a male predominance&#46; Some patients with pulmonary sequestration are asymptomatic and incidentally discovered&#46; Recurrent episodes of pneumonia are the most common symptoms of patients with ILS because bronchial drainage does not proceed normally when bacteria have colonized a sequestered lung&#46; Grossly&#44; ILS usually has chronic inflammation due to recurrent infection&#44; with fibrosis and cysts in the parenchyma and occasional adjacent pleural thickening with adhesions <a class="elsevierStyleCrossRef" href="#bib9">9</a>&#46; However&#44; ELS may appear normal on histology or only occasionally show chronic inflammation&#44; while the cut surface may reveal cystic changes&#44; fibrosis&#44; or purulent secretions&#46;</p><p id="para140" class="elsevierStylePara elsevierViewall">Our series contained 37 patients with ILS &#40;92&#46;5&#37;&#41; who were diagnosed over 20 years&#46; Most of these patients had accompanying pneumonic lesions&#44; pleural thickening and enlargement of the lymph nodes and some lesions with calcification were also found&#46; In ILS&#44; the lymphatic circulation tends to drain to lymph nodes adjacent to the thoracic aorta&#46; All of the above may be evidence of ILS being an acquired disease&#46; However&#44; we had one patient with ELS accompanying ILS in our study and 2 patients with accompanying accessory spleen and ventricular septal defects&#44; which may instead support a congenital pathogenesis of ILS&#46;</p><p id="para150" class="elsevierStylePara elsevierViewall">Similar with Wei et al&#46;&#39;s <a class="elsevierStyleCrossRef" href="#bib10">10</a> study&#44; the most common lesions identified in our series were mass lesions on MDCT&#46; There was mild enhancement in patients with mass lesions and in the solid parts of cavitary lesions&#46; Moreover&#44; one patient had a cavitary lesion on MDCT&#44; and the lesion was pathologically proved to be accompanied by an <span class="elsevierStyleItalic">M&#46; tuberculosis</span> infection&#46; The tuberculosis was confined to the sequestered lung tissue owing to the lack of connection between the sequestered lung and the normal bronchial tree <a class="elsevierStyleCrossRef" href="#bib11">11</a>&#46;</p><p id="para160" class="elsevierStylePara elsevierViewall">The majority of the aberrant arteries in ILS arise from the thoracic aorta &#40;75&#37;&#41; or abdominal aorta &#40;15&#8211;20&#37;&#41;&#46; However&#44; they can also originate from other smaller arteries that branch from either of these vessels&#46; The pulmonary veins usually provide venous drainage into the left atrium in ILS <a class="elsevierStyleCrossRef" href="#bib12">12</a>&#46; Moreover&#44; 80&#37; of the sequestered lungs in patients with ELS are typically supplied by an anomalous artery that arises directly from the thoracic or abdominal aorta&#46; The azygos vein system or superior vena cava provides systemic venous drainage into the right atrium <a class="elsevierStyleCrossRef" href="#bib1">1</a>&#44;<a class="elsevierStyleCrossRef" href="#bib7">7</a>&#46; The diagnosis of pulmonary sequestration traditionally requires DSA to identify the aberrant arteries that feed the sequestered lung <a class="elsevierStyleCrossRef" href="#bib13">13</a>&#46; Although DSA is capable of identifying the aberrant arterial supply of a sequestered lung&#44; it is invasive&#44; requires hospitalization and does not provide sufficient information about pulmonary structure&#46; At present&#44; noninvasive imaging techniques&#44; including MDCT&#44; magnetic resonance imaging &#40;MRI&#41; and color Doppler ultrasonography&#44; are also suitable diagnostics for pulmonary sequestration because of their capacity to both show a sequestered lung with anatomic localization and to reveal vessels&#46; Particularly&#44; MDCT has been proven to be equally effective to DSA and is regarded as a safer alternative&#44; which can also overcome some limitations of MRI and ultrasound&#46; Multidetector CT is not only capable of clearly identifying the angioarchitecture of pulmonary sequestration but also simultaneously yields the maximum information about parenchymal changes in a single examination when combined with advanced post-processing techniques <a class="elsevierStyleCrossRef" href="#bib14">14</a>&#46; There are two principle objectives of MDCT angiography for the investigation of a suspected case of pulmonary sequestration&#58; 1&#41; to confirm the presence of an anomalous systemic arterial supply to the sequestered lung and 2&#41; to distinguish pulmonary sequestration from other lung opacities <a class="elsevierStyleCrossRef" href="#bib13">13</a>&#46; The ability to rotate 3D VR images and display them in any orientation is helpful in discerning the relationships that exist within aberrant angioarchitecture <a class="elsevierStyleCrossRef" href="#bib15">15</a>&#46; These advantages of MDCT arise from its faster scanning and improved volume acquisition <a class="elsevierStyleCrossRef" href="#bib16">16</a>&#46; In light of these advantages&#44; MDCT has the potential to become a first-line examination for the preoperative assessment of pulmonary sequestration&#46; In our study&#44; MDCT angiography successfully delineated the origins and courses of the anomalous systemic arteries and venous drainage systems in all cases&#46; The feeding arteries most commonly originated from the thoracic aorta&#46; Indeed&#44; our study showed a greater percentage of this type of origination than a study reported by Savic et al&#46; <a class="elsevierStyleCrossRef" href="#bib3">3</a>&#44; which may have been due to the limited number of samples&#46; All the feeding arteries of pulmonary sequestration that were observed on the left side were from the thoracic aorta&#46; The majority of the patients with right-sided pulmonary sequestration had feeding arteries that originated from the abdominal aorta or its branches&#46; The draining vein reflowed into the inferior pulmonary vein in 37 patients &#40;86&#46;0&#37;&#41;&#44; which was a higher percentage than that reported by Yue et al&#46;&#39;s <a class="elsevierStyleCrossRef" href="#bib17">17</a> but a lower percentage than reported by Savic et al&#46; <a class="elsevierStyleCrossRef" href="#bib3">3</a>&#46; The differences between ILS and ELS supplied by the celiac trunk or from the thoracic aorta were not considered to be statistically significant&#46;</p><p id="para170" class="elsevierStylePara elsevierViewall">Surgical resection is the conventional standard treatment for both symptomatic and asymptomatic patients with pulmonary sequestration to prevent possible infection&#44; congestive heart failure&#44; and hemoptysis <a class="elsevierStyleCrossRef" href="#bib18">18</a>&#44; but its value is debatable in asymptomatic patients <a class="elsevierStyleCrossRef" href="#bib19">19</a>&#46; Nevertheless&#44; most patients with pulmonary sequestration require a lobectomy&#44; or at least a segmentectomy&#44; of the involved lung&#44; which are usually performed via conventional thoracotomy or video-assisted thoracoscopic resection <a class="elsevierStyleCrossRef" href="#bib20">20</a>&#46; Recently&#44; interventional treatment has emerged as a minimally invasive surgical alternative to lobectomy&#44; especially in neonates and children <a class="elsevierStyleCrossRef" href="#bib21">21</a>&#44;<a class="elsevierStyleCrossRef" href="#bib22">22</a>&#46; An essential requirement for surgery is to identify and control aberrant angioarchitecture&#46; Careful preoperative identification of systemic arterial supply and venous drainage from a pulmonary sequestration is necessary to avoid hemorrhage during surgery <a class="elsevierStyleCrossRef" href="#bib23">23</a>&#46; MDCT information&#44; including locations&#44; morphological features and angioarchitectures of pulmonary sequestrations&#44; is helpful for making preoperative decisions&#46; In summary&#44; MDCT angiography can be used to accurately identify the systemic arterial supply and drainage veins of a pulmonary sequestration when compared with pathological and surgical findings&#46; In particular&#44; this method yielded the maximum information for visualizing lung abnormalities&#44; airways changes and small and tortuous vessels and should contribute to the development of surgical strategies&#46;</p></span><span id="cesec120" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle160">AUTHOR CONTRIBUTIONS</span><p id="para180" class="elsevierStylePara elsevierViewall">Long Q and Zha Y prepared <a class="elsevierStyleCrossRef" href="#t1-cln_71p392">Tables 1</a>-<a class="elsevierStyleCrossRef" href="#t2-cln_71p392">2</a> and <a class="elsevierStyleCrossRef" href="#fig1-cln_71p392">Figures 1</a>-<a class="elsevierStyleCrossRef" href="#fig3-cln_71p392">3</a> and wrote the main manuscript text&#46; All authors reviewed the manuscript&#44; study concepts and design&#46; Yang Z is the guarantor of the integrity of the entire study and also performed manuscript revision&#47;review and final version approval&#46;</p></span></span>"
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          "titulo" => "INTRODUCTION"
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          "titulo" => "MATERIALS AND METHODS"
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              "titulo" => "Patients"
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              "titulo" => "Scanning parameters"
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              "titulo" => "Imaging analysis"
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              "titulo" => "Statistical analysis"
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        3 => array:3 [
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          "titulo" => "RESULTS"
          "secciones" => array:3 [
            0 => array:2 [
              "identificador" => "cesec80"
              "titulo" => "Subtypes and locations"
            ]
            1 => array:2 [
              "identificador" => "cesec90"
              "titulo" => "Lesions and accompanying abnormalities"
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            2 => array:2 [
              "identificador" => "cesec100"
              "titulo" => "Angioarchitecture"
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        4 => array:2 [
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          "titulo" => "DISCUSSION"
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        5 => array:2 [
          "identificador" => "cesec120"
          "titulo" => "AUTHOR CONTRIBUTIONS"
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          "titulo" => "REFERENCES"
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    "pdfFichero" => "main.pdf"
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    "fechaRecibido" => "2016-02-02"
    "fechaAceptado" => "2016-04-14"
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          "identificador" => "xpalclavsec1580631"
          "palabras" => array:3 [
            0 => "Pulmonary Sequestration"
            1 => "Computed Tomography"
            2 => "Congenital Anomalies"
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        "resumen" => "<span id="ceabs10" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle10">OBJECTIVES&#58;</span><p id="spara80" class="elsevierStyleSimplePara elsevierViewall">This study aimed to evaluate the role of multidetector computed tomography angiography in diagnosing patients with pulmonary sequestration&#46;</p></span> <span id="ceabs20" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle20">METHODS&#58;</span><p id="spara90" class="elsevierStyleSimplePara elsevierViewall">We retrospectively analyzed the computed tomography studies and clinical materials of 43 patients who had undergone preoperative multidetector computed tomography angiography in our hospital and had pathologically proven pulmonary sequestration&#46; Each examination of pulmonary sequestration was reviewed for type&#44; location&#44; parenchymal changes&#44; arterial supply and venous drainage on two-dimensional and three-dimensional computed tomography images&#46;</p></span> <span id="ceabs30" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle30">RESULTS&#58;</span><p id="spara100" class="elsevierStyleSimplePara elsevierViewall">Multidetector computed tomography successfully detected all pulmonary sequestrations in the 43 patients &#40;100&#37;&#41;&#46; This included 40 patients &#40;93&#46;0&#37;&#41; with intralobar sequestration and 3 patients &#40;7&#46;0&#37;&#41; with extralobar sequestration&#46; The locations of pulmonary sequestration were left lower lobe &#40;28 cases&#44; 70&#37; of intralobar sequestrations&#41;&#44; right lower lobe &#40;12 cases&#44; 30&#37; of intralobar sequestrations&#41; and costodiaphragmatic sulcus &#40;3 cases&#41;&#46; Cases of sequestered lung presented as mass lesions &#40;37&#46;2&#37;&#41;&#44; cystic lesions &#40;32&#46;6&#37;&#41;&#44; pneumonic lesions &#40;16&#46;3&#37;&#41;&#44; cavitary lesions &#40;9&#46;3&#37;&#41; and bronchiectasis &#40;4&#46;6&#37;&#41;&#46; The angioarchitecture of pulmonary sequestration&#44; including feeding arteries from the thoracic aorta &#40;86&#46;1&#37;&#41;&#44; celiac truck &#40;9&#46;3&#37;&#41;&#44; abdominal aorta &#40;2&#46;3&#37;&#41; and left gastric artery &#40;2&#46;3&#37;&#41; and venous drainage into inferior pulmonary veins &#40;86&#46;0&#37;&#41; and the azygos vein system &#40;14&#46;0&#37;&#41;&#44; was visualized on multidetector computed tomography&#46; Finally&#44; the multidetector computed tomography angiography results of the sequestered lungs and angioarchitectures were surgically confirmed in all the patients&#46;</p></span> <span id="ceabs40" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle40">CONCLUSIONS&#58;</span><p id="spara110" class="elsevierStyleSimplePara elsevierViewall">As a noninvasive modality&#44; multidetector computed tomography angiography is helpful for making diagnostic decisions regarding pulmonary sequestration with high confidence and for visualizing the related parenchymal characteristics&#44; arterial supply&#44; and venous drainage features to help plan surgical strategies&#46;</p></span>"
        "secciones" => array:4 [
          0 => array:2 [
            "identificador" => "ceabs10"
            "titulo" => "OBJECTIVES&#58;"
          ]
          1 => array:2 [
            "identificador" => "ceabs20"
            "titulo" => "METHODS&#58;"
          ]
          2 => array:2 [
            "identificador" => "ceabs30"
            "titulo" => "RESULTS&#58;"
          ]
          3 => array:2 [
            "identificador" => "ceabs40"
            "titulo" => "CONCLUSIONS&#58;"
          ]
        ]
      ]
    ]
    "NotaPie" => array:1 [
      0 => array:1 [
        "nota" => "<p class="elsevierStyleNotepara" id="cenpara30">No potential conflict of interest was reported&#46;</p>"
      ]
    ]
    "multimedia" => array:5 [
      0 => array:7 [
        "identificador" => "fig1-cln_71p392"
        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "cln-71-07-392-g001.jpeg"
            "Alto" => 636
            "Ancho" => 800
            "Tamanyo" => 73347
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        "descripcion" => array:1 [
          "en" => "<p id="spara10" class="elsevierStyleSimplePara elsevierViewall">A 32-year-old male with intralobar sequestration&#46; A and B&#58; Axial multidetector computed tomography images show a mass in the right lower lobe &#40;S&#41;&#59; C&#58; An axial multidetector computed tomography image obtained at a level lower than A and B shows an aberrant artery &#40;curved arrow&#41; arising from the thoracic aorta &#40;straight arrow&#41; to the sequestered lung &#40;S&#41;&#59; D&#58; A 3D multidetector computed tomography volume rendering image shows an aberrant artery &#40;curved arrow&#41; from the thoracic aorta &#40;straight arrow&#41; to the right lower lobe&#46;</p>"
        ]
      ]
      1 => array:7 [
        "identificador" => "fig2-cln_71p392"
        "etiqueta" => "Figure 2"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "cln-71-07-392-g002.jpeg"
            "Alto" => 559
            "Ancho" => 800
            "Tamanyo" => 79655
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spara20" class="elsevierStyleSimplePara elsevierViewall">A 33-year-old male with intralobar sequestration that was pathologically proven to be accompanied by <span class="elsevierStyleItalic">M&#46; tuberculosis</span> infection&#46; A and B&#58; Axial multidetector computed tomography images show the lesion with a gas-fluid level in the left lower lobe &#40;S&#41;&#46; The lesion exhibited mild enhancement in the solid part and no enhancement in the cavity&#59; C and D&#58; Axial &#40;obtained at a lower level than A and B&#41; and sagittal maximum intensity projection images show the aberrant artery &#40;curved arrow&#41; arising from the thoracic aorta &#40;straight arrow&#41; to the sequestered lung &#40;S&#41;&#59; E&#58; A 3D multidetector computed tomography volume rendering image shows an aberrant artery &#40;curved arrow&#41; arising from the thoracic aorta &#40;straight arrow&#41; and anomalous vein &#40;curved arrow&#41; via the left inferior pulmonary vein to the left atrium&#46;</p>"
        ]
      ]
      2 => array:7 [
        "identificador" => "fig3-cln_71p392"
        "etiqueta" => "Figure 3"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "cln-71-07-392-g003.jpeg"
            "Alto" => 653
            "Ancho" => 800
            "Tamanyo" => 81594
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spara30" class="elsevierStyleSimplePara elsevierViewall">A 30-year-old male with intralobar sequestration&#46; A&#58; Axial multidetector computed tomography images show a mass with calcification in the right lower lobe &#40;S&#41;&#59; B&#58; A coronary multidetector computed tomography image shows an aberrant artery &#40;curved arrow&#41; arising from the left gastric artery &#40;straight arrow&#41; to the sequestered lung &#40;S&#41;&#59; C and D&#58; Two 3D multidetector computed tomography volume rendering images show an aberrant artery &#40;curved arrow&#41; from the left gastric artery &#40;straight arrow&#41; to the right lower lobe&#46;</p>"
        ]
      ]
      3 => array:7 [
        "identificador" => "t1-cln_71p392"
        "etiqueta" => "Table 1"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:3 [
          "leyenda" => "<p id="spara50" class="elsevierStyleSimplePara elsevierViewall">ILS &#61; intralobar sequestration&#44; ELS &#61; extralobar sequestration</p>"
          "tablatextoimagen" => array:1 [
            0 => array:1 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Locations&#47;lesions&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">All patients &#40;n&#61;43&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">ILS &#40;n&#61;40&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">ELS &#40;n&#61;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Locations &#91;n &#40;&#37;&#41;&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Left lower lobe&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">28 &#40;65&#46;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">28 &#40;70&#46;0&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Right lower lobe&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12 &#40;27&#46;9&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12 &#40;30&#46;0&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Left costodiaphragmatic sulcus&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Right costodiaphragmatic sulcus&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1<a class="elsevierStyleCrossRef" href="#tfn2-cln_71p392">&#42;</a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Lesions &#91;n &#40;&#37;&#41;&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Mass lesions&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">16 &#40;37&#46;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14 &#40;35&#46;0&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;66&#46;7&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Cystic lesions&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14 &#40;32&#46;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14 &#40;35&#46;0&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Pneumonic lesions&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#40;16&#46;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#40;17&#46;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Cavitary lesions&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4 &#40;9&#46;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4 &#40;10&#46;0&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Bronchiectasis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;4&#46;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
            ]
          ]
          "notaPie" => array:1 [
            0 => array:3 [
              "identificador" => "tfn2-cln_71p392"
              "etiqueta" => "&#42;"
              "nota" => "<p class="elsevierStyleNotepara" id="cenpara10">&#61; the patient with ELS and accompanying ILS&#46;</p>"
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spara40" class="elsevierStyleSimplePara elsevierViewall">Location and lesion details for 43 patients with pulmonary sequestration&#46;</p>"
        ]
      ]
      4 => array:7 [
        "identificador" => "t2-cln_71p392"
        "etiqueta" => "Table 2"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:3 [
          "leyenda" => "<p id="spara70" class="elsevierStyleSimplePara elsevierViewall">ILS &#61; intralobar sequestration&#44; ELS &#61; extralobar sequestration</p>"
          "tablatextoimagen" => array:1 [
            0 => array:1 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " rowspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Angioarchitecture</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " rowspan="2" align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">All patients &#40;n&#61;43&#41;</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " colspan="2" align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">n&#61;40&#41;</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " colspan="2" align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">ELS &#40;n&#61;3&#41;</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col"><span class="elsevierStyleItalic">p</span>- values&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Right&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Left&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Right&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Left&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">ILS <span class="elsevierStyleItalic">vs</span>&#46; ELS&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Feeding arteries &#91;n &#40;&#37;&#41;&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Thoracic aorta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">37 &#40;86&#46;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#40;58&#46;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">28 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;370&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Celiac trunk&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4 &#40;9&#46;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3 &#40;25&#46;0&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1<a class="elsevierStyleCrossRef" href="#tfn4-cln_71p392">&#42;</a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;259&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Left gastric artery&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;2&#46;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Abdominal aorta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;2&#46;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Draining veins &#91;n &#40;&#37;&#41;&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Left inferior pulmonary vein&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">25 &#40;58&#46;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">25 &#40;89&#46;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>Right inferior pulmonary vein&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12 &#40;27&#46;9&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">-&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="center" valign="\n
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Article information

ISSN: 18075932
Original language: English

DOI:10.6061/clinics/2016(07)07

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Year/Month	Html	Pdf	Total

2024 November	6	3	9
2024 October	35	24	59
2024 September	36	16	52
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2024 July	27	18	45
2024 June	23	12	35
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2023 December	22	16	38
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2023 October	31	18	49
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2023 August	17	1	18
2023 July	9	10	19
2023 June	12	0	12
2023 May	33	2	35
2023 April	33	1	34
2023 March	22	1	23
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2022 December	11	1	12
2022 November	1	0	1

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