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Un nuevo caso de vasculitis granulomatosa eosinofílica con poliangeítis (GEPA). Nuevas perspectivas terapéuticas" ] ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "María del Carmen Lorenzo Martínez, Ángela Hidalgo Herranz, Ana María Ochoa Ruiz, Bárbara Gutierrez Ruano, Raúl Ruiz Esteban, Sergio Campos Téllez, José Javier Jareño Esteban" "autores" => array:7 [ 0 => array:2 [ "nombre" => "María del Carmen" "apellidos" => "Lorenzo Martínez" ] 1 => array:2 [ "nombre" => "Ángela" "apellidos" => "Hidalgo Herranz" ] 2 => array:2 [ "nombre" => "Ana María" "apellidos" => "Ochoa Ruiz" ] 3 => array:2 [ "nombre" => "Bárbara" "apellidos" => "Gutierrez Ruano" ] 4 => array:2 [ "nombre" => "Raúl" "apellidos" => "Ruiz Esteban" ] 5 => array:2 [ "nombre" => "Sergio" "apellidos" => "Campos Téllez" ] 6 => array:2 [ "nombre" => "José Javier" "apellidos" => "Jareño Esteban" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2659663624000158?idApp=UINPBA00004N" "url" => "/26596636/0000000600000002/v1_202406140703/S2659663624000158/v1_202406140703/en/main.assets" ] "itemAnterior" => array:18 [ "pii" => "S265966362400002X" "issn" => "26596636" "doi" => "10.1016/j.opresp.2024.100299" "estado" => "S300" "fechaPublicacion" => "2024-04-01" "aid" => "100299" "copyright" => "Sociedad Española de Neumología y Cirugía Torácica (SEPAR)" "documento" => "simple-article" "crossmark" => 1 "subdocumento" => "crp" "cita" => "Open Respir Arch. 2024;6:" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:1 [ "total" => 0 ] "en" => array:9 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Scientific letter</span>" "titulo" => "Specular Placement After Positive Migration of Endobronchial Stent" "tienePdf" => "en" "tieneTextoCompleto" => "en" "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1788 "Ancho" => 2007 "Tamanyo" => 372403 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">(A) CT with a right hilar mass with wide mediastinal contact and invasion and stenosis of the right main bronchus, right superior lobar bronchus, and intermediate bronchus. (B) Flexible bronchoscopy with a neoproliferative lung cancer. (C) STENT SEMS LEUFEN 14*40 in the right main bronchus. (D) CT chest coronal section, prosthesis in RMB. (E) Pulmonary ventilation SPECT with axial tomography, migration of stent to LMB.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Pedro J. Rodríguez Martín, Alán J. Solis Solis, Rachid Tazi Mezalek" "autores" => array:3 [ 0 => array:2 [ "nombre" => "Pedro J." "apellidos" => "Rodríguez Martín" ] 1 => array:2 [ "nombre" => "Alán J." "apellidos" => "Solis Solis" ] 2 => array:2 [ "nombre" => "Rachid" "apellidos" => "Tazi Mezalek" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S265966362400002X?idApp=UINPBA00004N" "url" => "/26596636/0000000600000002/v1_202406140703/S265966362400002X/v1_202406140703/en/main.assets" ] "en" => array:14 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Scientific letter</span>" "titulo" => "Primary Pulmonary Ewing's Sarcoma: A Surprise Diagnosis in a 52-Year-Old Active Smoker" "tieneTextoCompleto" => true "saludo" => "Dear Editor," "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "El Ghoul Jamel, Ksouri Chiraz, Walha Marwa" "autores" => array:3 [ 0 => array:4 [ "nombre" => "El Ghoul" "apellidos" => "Jamel" "email" => array:1 [ 0 => "j.elghoul@hotmail.fr" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0005" ] ] ] 1 => array:3 [ "nombre" => "Ksouri" "apellidos" => "Chiraz" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 2 => array:3 [ "nombre" => "Walha" "apellidos" => "Marwa" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Pneumology Department, University of Sfax, Habib Bourguiba Hospital, Medenine 4100, Tunisia" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Anatomic Pathology Department, University of Sfax, Habib Bourguiba Hospital, Medenine 4100, Tunisia" "etiqueta" => "b" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Sarcoma de Ewing pulmonar primario: una sorpresa diagnóstica en un fumador activo de 52 años" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1532 "Ancho" => 1725 "Tamanyo" => 401927 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">(A and B) Computed tomography chest images showing a large, relatively well-defined, heterogenous pulmonary mass in the right upper lobe, measuring 24<span class="elsevierStyleHsp" style=""></span>cm<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>13<span class="elsevierStyleHsp" style=""></span>cm. (C) Histopathology shows large sheets of small round cells with perivascular arrangement (HEA50 ×4). (D) Scattered pyknotic cells corresponding to apoptotic cells (HEA50 ×25). (E) Immunohistochemistry photomicrograph showing tumor cells positive for CD99.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Ewing's sarcoma, also known as primitive neuroectodermal tumor (PNET), is the second most common bone cancer in children. It usually involves the pelvis and proximal long bones,<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">1</span></a> but in approximately 20% of patients, tumors are extraosseous and can arise in numerous organs. The most frequent extraosseous localizations include the chest wall, paravertebral and gluteus muscles, and the retroperitoneal space, but other rarer localizations have also been described.<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">2</span></a> Only sporadic cases of primary pulmonary Ewing's Sarcoma (PES) have been reported in the scientific literature, mostly in the form of case reports.</p><p id="par0010" class="elsevierStylePara elsevierViewall">We report the case of a 52-year-old man who presented with a 3-month history of right-sided chest pain. The patient was an active smoker with a 40-pack-year history and no other significant medical history.</p><p id="par0015" class="elsevierStylePara elsevierViewall">Physical examination was within normal limits. Chest X-ray showed homogeneous opacity with well-defined margins at the right apex of the lung. A computed tomography (CT) scan of the thorax revealed a large mass in the right upper lobe, measuring 24<span class="elsevierStyleHsp" style=""></span>cm<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>13<span class="elsevierStyleHsp" style=""></span>cm with inhomogeneous enhancement on administration of contrast (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>A and B).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0020" class="elsevierStylePara elsevierViewall">CT-guided biopsy revealed an undifferentiated tumor which consisted of large sheets of small round cells with perivascular arrangement (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>C) and an extensively necrotic area (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>D). Immunohistochemical staining was positive for vimentin, neuron specific enolase (NSE), synaptophysin, and CD99 (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>E).<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">3</span></a> The cells were negative for cytokeratin, TTF1, and CD 45. This profile suggested round cells of undifferentiated sarcoma from the Ewing family.</p><p id="par0025" class="elsevierStylePara elsevierViewall">Radiological studies (whole-body CT) ruled out a primary tumor elsewhere, so a diagnosis of primary PES was made. The patient was referred to the multidisciplinary committee of a specialized center. Tumor size ruled out surgical treatment, and the decision was made to initiate neoadjuvant chemotherapy based on cyclophosphamide and vincristine. However, the patient died two months after the initial diagnosis.</p><p id="par0030" class="elsevierStylePara elsevierViewall">The primary PES in a middle-aged active smoker is very unusual. Indeed, in our case, epithelial and neuroendocrine tumors of the lung would be the first diagnoses to be considered. Furthermore, the mean age at diagnosis of primary PES reported in the literature was 30.5 years, with only a few cases being diagnosed after the age of 50.<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">3</span></a></p><p id="par0035" class="elsevierStylePara elsevierViewall">Pathological and immunohistochemical analyses are essential for the diagnosis of PES and to eliminate other differential diagnosis. Strong staining for CD99 and neuroendocrine markers (synaptophysin, NSE, etc.) and negativity for cytokeratin, desmin and CD45 favor the diagnosis. Molecular testing is recommended for the study of EWSR1/FLI-1 fusions to ensure an accurate diagnosis.<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">4</span></a> In our case, however, due to limited laboratory facilities, immunohistochemical results were considered sufficient for the diagnosis and molecular analysis was not performed.</p><p id="par0040" class="elsevierStylePara elsevierViewall">Generally, primary PES is an aggressive and lethal disease, especially when locally advanced and unresectable.<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">3</span></a> Tumor metastasis at diagnosis, large tumor size, and invasion of the heart are indicative of poor prognosis.<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">5</span></a></p><p id="par0045" class="elsevierStylePara elsevierViewall">In summary, despite its rarity, PES should be considered in the differential diagnosis of lung tumors, even in middle-aged active smokers. Early diagnosis is important, as it can enable radical surgical resection and improve prognosis.</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Informed consent</span><p id="par0050" class="elsevierStylePara elsevierViewall">Consent was obtained from a family member.</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Funding</span><p id="par0055" class="elsevierStylePara elsevierViewall">This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Authors’ contributions</span><p id="par0060" class="elsevierStylePara elsevierViewall">All authors have contributed to all of the following:<ul class="elsevierStyleList" id="lis0005"><li class="elsevierStyleListItem" id="lsti0005"><span class="elsevierStyleLabel">•</span><p id="par0065" class="elsevierStylePara elsevierViewall">The conception and design of the study</p></li><li class="elsevierStyleListItem" id="lsti0010"><span class="elsevierStyleLabel">•</span><p id="par0070" class="elsevierStylePara elsevierViewall">The drafting and revising of the article</p></li><li class="elsevierStyleListItem" id="lsti0015"><span class="elsevierStyleLabel">•</span><p id="par0075" class="elsevierStylePara elsevierViewall">The final approval of the version</p></li></ul></p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Conflicts of interests</span><p id="par0080" class="elsevierStylePara elsevierViewall">The authors state that they have no conflict of interests.</p></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:5 [ 0 => array:2 [ "identificador" => "sec0005" "titulo" => "Informed consent" ] 1 => array:2 [ "identificador" => "sec0010" "titulo" => "Funding" ] 2 => array:2 [ "identificador" => "sec0015" "titulo" => "Authors’ contributions" ] 3 => array:2 [ "identificador" => "sec0020" "titulo" => "Conflicts of interests" ] 4 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "multimedia" => array:1 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1532 "Ancho" => 1725 "Tamanyo" => 401927 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">(A and B) Computed tomography chest images showing a large, relatively well-defined, heterogenous pulmonary mass in the right upper lobe, measuring 24<span class="elsevierStyleHsp" style=""></span>cm<span class="elsevierStyleHsp" style=""></span>×<span class="elsevierStyleHsp" style=""></span>13<span class="elsevierStyleHsp" style=""></span>cm. (C) Histopathology shows large sheets of small round cells with perivascular arrangement (HEA50 ×4). (D) Scattered pyknotic cells corresponding to apoptotic cells (HEA50 ×25). (E) Immunohistochemistry photomicrograph showing tumor cells positive for CD99.</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0015" "bibliografiaReferencia" => array:5 [ 0 => array:3 [ "identificador" => "bib0030" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Ewing sarcoma" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "T.G.P. Grünewald" 1 => "F. Cidre-Aranaz" 2 => "D. Surdez" 3 => "E.M. Tomazou" 4 => "E. Alava" 5 => "H. 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Ren" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.2147/OTT.S283967" "Revista" => array:6 [ "tituloSerie" => "Onco Targets Ther" "fecha" => "2021" "volumen" => "14" "paginaInicial" => "139" "paginaFinal" => "144" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/33447055" "web" => "Medline" ] ] ] ] ] ] ] ] ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/26596636/0000000600000002/v1_202406140703/S2659663623000826/v1_202406140703/en/main.assets" "Apartado" => array:4 [ "identificador" => "85987" "tipo" => "SECCION" "en" => array:2 [ "titulo" => "Cartas científicas" "idiomaDefecto" => true ] "idiomaDefecto" => "en" ] "PDF" => "https://static.elsevier.es/multimedia/26596636/0000000600000002/v1_202406140703/S2659663623000826/v1_202406140703/en/main.pdf?idApp=UINPBA00004N&text.app=https://www.elsevier.es/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2659663623000826?idApp=UINPBA00004N" ]
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