array:23 [ "pii" => "S021048060773766X" "issn" => "02104806" "doi" => "10.1016/S0210-4806(07)73766-X" "estado" => "S300" "fechaPublicacion" => "2007-01-01" "aid" => "73766" "copyright" => "Asociación Española de Urología (AEU)" "copyrightAnyo" => "2007" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "cita" => "Actas Urol Esp. 2007;31:1045-55" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 1163 "formatos" => array:3 [ "EPUB" => 7 "HTML" => 729 "PDF" => 427 ] ] "itemSiguiente" => array:18 [ "pii" => "S0210480607737671" "issn" => "02104806" "doi" => "10.1016/S0210-4806(07)73767-1" "estado" => "S300" "fechaPublicacion" => "2007-01-01" "aid" => "73767" "copyright" => "Asociación Española de Urología (AEU)" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "cita" => "Actas Urol Esp. 2007;31:1056-75" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 1297 "formatos" => array:3 [ "EPUB" => 8 "HTML" => 763 "PDF" => 526 ] ] "es" => array:10 [ "idiomaDefecto" => true "titulo" => "Valor de la biopsia gonadal en el diagnóstico de los desórdenes del desarrollo sexual" "tienePdf" => "es" "tieneTextoCompleto" => 0 "tieneResumen" => array:2 [ 0 => "es" 1 => "en" ] "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "1056" "paginaFinal" => "1075" ] ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Diagnostic value of the gonadal biopsy in the disorders of sex development" ] ] "contieneResumen" => array:2 [ "es" => true "en" => true ] "contienePdf" => array:1 [ "es" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "M. Nistal, E. García-Fernández, A. Mariño-Enríquez, A. Serrano, J. Regadera, P. González-Peramato" "autores" => array:6 [ 0 => array:2 [ "nombre" => "M." "apellidos" => "Nistal" ] 1 => array:2 [ "nombre" => "E." "apellidos" => "García-Fernández" ] 2 => array:2 [ "nombre" => "A." "apellidos" => "Mariño-Enríquez" ] 3 => array:2 [ "nombre" => "A." "apellidos" => "Serrano" ] 4 => array:2 [ "nombre" => "J." "apellidos" => "Regadera" ] 5 => array:2 [ "nombre" => "P." "apellidos" => "González-Peramato" ] ] ] ] ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0210480607737671?idApp=UINPBA00004N" "url" => "/02104806/0000003100000009/v1_201304251851/S0210480607737671/v1_201304251851/es/main.assets" ] "itemAnterior" => array:18 [ "pii" => "S0210480607737658" "issn" => "02104806" "doi" => "10.1016/S0210-4806(07)73765-8" "estado" => "S300" "fechaPublicacion" => "2007-01-01" "aid" => "73765" "copyright" => "Asociación Española de Urología (AEU)" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "cita" => "Actas Urol Esp. 2007;31:1025-44" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 1334 "formatos" => array:3 [ "EPUB" => 8 "HTML" => 600 "PDF" => 726 ] ] "es" => array:10 [ "idiomaDefecto" => true "titulo" => "Factores pronósticos y predictivos del carcinoma de próstata en la biopsia prostática" "tienePdf" => "es" "tieneTextoCompleto" => 0 "tieneResumen" => array:2 [ 0 => "es" 1 => "en" ] "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "1025" "paginaFinal" => "1044" ] ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Prognosis and predictive factors of prostate cancer in the prostatic biopsy" ] ] "contieneResumen" => array:2 [ "es" => true "en" => true ] "contienePdf" => array:1 [ "es" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "I. De Torres Ramírez" "autores" => array:1 [ 0 => array:2 [ "nombre" => "I." "apellidos" => "De Torres Ramírez" ] ] ] ] ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0210480607737658?idApp=UINPBA00004N" "url" => "/02104806/0000003100000009/v1_201304251851/S0210480607737658/v1_201304251851/es/main.assets" ] "es" => array:12 [ "idiomaDefecto" => true "titulo" => "Estudio comparativo de la eficacia quirúrgica en la prostatectomía abierta y laparoscópica: reconstrucción virtual de la próstata y cuantificación del tejido periprostático" "tieneTextoCompleto" => 0 "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "1045" "paginaFinal" => "1055" ] ] "autores" => array:2 [ 0 => array:4 [ "autoresLista" => "J.I. Diaz, A. Corica, R. McKenzie" "autores" => array:3 [ 0 => array:4 [ "nombre" => "J.I." "apellidos" => "Diaz" "email" => array:1 [ 0 => "jdiaz@idd.org" ] "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">1</span>" "identificador" => "cor0005" ] ] ] 1 => array:2 [ "nombre" => "A." "apellidos" => "Corica" ] 2 => array:2 [ "nombre" => "R." "apellidos" => "McKenzie" ] ] "afiliaciones" => array:1 [ 0 => array:1 [ "entidad" => "Servicios de Urología y Anatomía Patológica y Virginia Prostate Center, Eastern Virginia Medical School" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "1" "correspondencia" => "Correspondencia autor: Dr. J.I. Diaz Director of Pathology and Molecular Oncology Targeted Therapy Program. Cancer Therapy Research Center. Institute for Drug Development San Antonio Cancer Institute, University of Texas Health Science Center-San Antonio 14960 Omicron Drive San Antonio Tel.: 78245-3217" ] ] ] 1 => array:3 [ "autoresLista" => "P.F. Schellhammer" "autores" => array:1 [ 0 => array:3 [ "nombre" => "P.F." "apellidos" => "Schellhammer" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "aff0005" ] ] ] ] "afiliaciones" => array:1 [ 0 => array:3 [ "entidad" => "Dept of Electronic and Computer Modeling. Old Dominion University, Norfolk, VA" "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "aff0005" ] ] ] ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Comparative study of surgical efficacy in open versus laparoscopic prostatectomy: virtual prostate reconstruction and periprostatic tissue quantification" ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "PalabrasClave" => array:2 [ "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec88403" "palabras" => array:5 [ 0 => "Prostatectomía laparoscópica" 1 => "Prostatectomía retropúbica" 2 => "Cobertura extracapsular" 3 => "Seccionamiento completo" 4 => "Reconstrucción en 3D" ] ] ] "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec88404" "palabras" => array:5 [ 0 => "Laparoscopic prostatectomy" 1 => "Retropubic prostatectomy" 2 => "Extracapsular extension" 3 => "Whole Mount" 4 => "3D reconstruction" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "es" => array:2 [ "titulo" => "Resumen" "resumen" => "<span class="elsevierStyleSectionTitle">Introducción</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">La introducción de la cirugía laparoscópica como medio de realizar la prostatectomía radical precisa de un método objetivo para evaluar la idoneidad de este nuevo procedimiento quirúrgico. Los parámetros tradicionales, incluidos la incidencia de márgenes quirúrgicos positivos, son útiles, pero no suficientemente objetivos. Diferentes autores publican distintos criterios para definir los márgenes quirúrgicos positivos. Además, existen algunos artefactos técnicos que pueden ocurrir durante el procesamiento de la pieza quirúrgica por el patólogo, los cuales pueden dar lugar a márgenes falsamente positivos. Hemos usado un programa de modelización por ordenador acoplado al escaneado de las imágenes seriadas de cortes histológicos de la glándula completa, con el fin de determinar el porcentaje del tejido extracapsular que rodea a las glándulas prostáticas, tanto las extirpadas mediante la técnica abierta retropúbica como las extirpadas mediante laparoscopia. Este porcentaje puede considerarse un parámetro objetivo que potencialmente pueda predecir el beneficio de la cirugía en cuanto al control del cáncer, así como el éxito clínico del procedimiento quirúrgico. La correlación con los resultados clínicos a largo plazo, - supervivencia y recidiva bioquímica -servirán para validar en última instancia la utilidad clínica de este parámetro en años venideros.</p> <span class="elsevierStyleSectionTitle">Materiales y métodos</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Para este estudio se dispuso de un total de 32 piezas quirúrgicas de la próstata, incluidas 15 piezas de próstata de pacientes sometidos a prostatectomía radical abierta y 17 piezas de próstata de pacientes sometidos a prostatectomía laparoscópica. Después de la cirugía y de 24 horas de fijación en formol, se tomaron cortes seriados para realizar secciones completas (<span class="elsevierStyleItalic">“whole mount”</span>) de la próstata a intervalos de 5 mm de grosor. Un patólogo experto en uropatología revisó las secciones completas y dibujó los contornos de la cápsula prostática y del tumor en cada corte tisular. Las imágenes seriadas de la glándula completa y del tejido peri o extraprostático circundante se escanearon para producir imágenes digitales, utilizándose un programa informático para crear un archivo con información sobre la cápsula y un archivo con información sobre el tejido fibroadiposo circundante (extraprostático). Estos procedimientos permitieron la reconstrucción de un modelo tisular tridimensional de la cápsula prostática y del tejido extraprostático circundante. Se generaron dos archivos de nubes de puntos por separado, con la intención de representar modelos tanto de la cápsula como del tejido extraprostático y se usaron algoritmos de software para generar diferencias en las nubes de puntos y, de este modo, cuantificar la magnitud de la cobertura del tejido extracapsular, un parámetro que consideramos indicativo de la idoneidad de la técnica quirúrgica.</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">El porcentaje global de superficie de la glándula prostática cubierto por tejido fibroadiposo extracapsular fue estadísticamente mayor en las piezas extirpadas mediante la técnica laparoscópica, en comparación con la técnica retropúbica. Cuando se evaluó un análisis segmentario del porcentaje de cobertura de la glándula, se encontró que el porcentaje era significativamente mayor en los segmentos apical e inferolateral de las glándulas extirpadas sin preservación de los nervios y en el segmento apical de las glándulas extirpadas con preservación de los nervios para la prostatectomía laparoscópica.</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">En nuestra serie, la prostatectomía laparoscópica aportó una cobertura tisular extracapsular superior a la prostatectomía retropúbica. Del mismo modo, la prostatectomía laparoscópica aportó una cobertura tisular superior en las regiones inferolateral y apical de las glándulas extirpadas sin preservación de los nervios y en la región apical de las glándulas extirpadas con preservación de los nervios. Así pues, la idoneidad quirúrgica de esta técnica, en comparación con el procedimiento retropúbico, parece ser superior.</p>" ] "en" => array:2 [ "titulo" => "Abstract" "resumen" => "<span class="elsevierStyleSectionTitle">Introduction</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">The introduction of laparoscopic surgery as a procedure to perform radical prostatectomy needs an objective method to evaluate the suitability of this new surgical procedure. The traditional parameters, including the incidence of positive surgical margins, are useful, but not sufficiently objective. Different authors publish different criteria to define positive surgical margins. In addition, there are some technical problems that may ocur during the processing of the surgical specimen by the pathologist, which can give false positive margins. We have used a computer modeling software in connection to scanned images from serial sections of the whole gland, to determine the percentage of extracapsular tissue that surrounds the prostate glands, removed by both, open retropubic and laparoscopic procedures. This percentage can be considered as an objective parameter which can potentially predict the benefit of surgery in predicting cancer control, as well as the clinical success of the surgical procedure. The correlation with the clinical results in the long term, - survival and biochemical recurrence - will be useful to validate as a last resort the clinical utility of this parameter in the coming years.</p> <span class="elsevierStyleSectionTitle">Materials and Methods</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">We had a total of 32 prostate surgical specimens, 15 from patients who underwent open retropubic prostatectomy and 17 from patients who underwent laparoscopic prostatectomy for this study. After surgery and 24 hours formol fixation, serial cuts were taken at 5 mm thickness intervals to make complete sections (“whole mount”) of the prostate. An expert uropathologist reviewed all the surgical sections and drew in each tissue cut the prostatic capsule and tumor contours. The serial images of the whole gland and surrounding prostate tissue were scanned to produce digital images, using a computer software to create a file with capsule information and a file with information on the surrounding fibroadipose tissue (extraprostatic). These procedures allowed the reconstruction of a threedimensional tissue model of the prostatic capsule and the surrounding extraprostatic tissue. Two separate point clouds files were generated, with the purpose of representing capsule and extraprostatic tissue models and software algorithms were used to generate differences in point clouds and thereby quantifying the extracapsular tissue coverage dimension, a parameter that we considered indicative of the adequeacy and feasibility of the surgical procedure.</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">The global percentage of prostate gland surface covered by extracapsular fibroadipose tissue was statistically higher in specimens removed by a laparoscopic procedure when compared to the open retropubic procedure. When a segmental analysis of the gland percentage of coverage was evaluated, it was found this percentage was significantly higher in the apical and inferolateral segments of those glands removed without nerves preservation and in the apical segments of those glands removed with nerves preservation for the laparoscopic prostatectomy.</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">In our series, laparoscopic prostatectomy contributed superior extracapsular tissue coverage than retropubic prostatectomy. Similarly laparoscopic prostatectomy produced a superior tissue coverage in inferolateral and apical regions on those glands removed without nerve preservation and in the apical regions of those glands removed with nerve preservation. Therefore, the surgical suitability of this technique, when compared to the retropubic, seems to be higher.</p>" ] ] "bibliografia" => array:2 [ "titulo" => "Referencias" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:13 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1." "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Laparoscopic radical prostatectomy: oncological evaluation after 1,000 cases a Montsouris Institute" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "B. Guillonneau" 1 => "H. el-Fettouh" 2 => "H. Baumert" 3 => "X. Cathelineau" 4 => "J.D. Doublet" 5 => "G. 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Journal Information
Estudio comparativo de la eficacia quirúrgica en la prostatectomía abierta y laparoscópica: reconstrucción virtual de la próstata y cuantificación del tejido periprostático
Comparative study of surgical efficacy in open versus laparoscopic prostatectomy: virtual prostate reconstruction and periprostatic tissue quantification
J.I. Diaz1
, A. Corica, R. McKenzie
Corresponding author
jdiaz@idd.org
Correspondencia autor: Dr. J.I. Diaz Director of Pathology and Molecular Oncology Targeted Therapy Program. Cancer Therapy Research Center. Institute for Drug Development San Antonio Cancer Institute, University of Texas Health Science Center-San Antonio 14960 Omicron Drive San Antonio Tel.: 78245-3217
Correspondencia autor: Dr. J.I. Diaz Director of Pathology and Molecular Oncology Targeted Therapy Program. Cancer Therapy Research Center. Institute for Drug Development San Antonio Cancer Institute, University of Texas Health Science Center-San Antonio 14960 Omicron Drive San Antonio Tel.: 78245-3217
Servicios de Urología y Anatomía Patológica y Virginia Prostate Center, Eastern Virginia Medical School
P.F. Schellhammer*
* Dept of Electronic and Computer Modeling. Old Dominion University, Norfolk, VA