{"id":85981,"date":"2018-03-10T00:10:29","date_gmt":"2018-03-10T00:10:29","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valor-de-la-resonancia-mangetica-con-coil-transrectal-en-el-escreening-del-cancer-de-prostata\/"},"modified":"2018-03-10T00:10:29","modified_gmt":"2018-03-10T00:10:29","slug":"valor-de-la-resonancia-mangetica-con-coil-transrectal-en-el-escreening-del-cancer-de-prostata","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/valor-de-la-resonancia-mangetica-con-coil-transrectal-en-el-escreening-del-cancer-de-prostata\/","title":{"rendered":"Valor de la resonancia mang\u00e9tica con coil transrectal en el escreening del c\u00e1ncer de pr\u00f3stata."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Josep Comet Batlle <\/strong><\/h2>\n<p>El diagn\u00f3stico precoz del c\u00e1ncer de pr\u00f3stata mediante tacto rectal y determianci\u00f3n seriada de psa condiciona en la actualidad un elevado n\u00famero de biopsias repetidas negativas, sobre todo en el intervalo de psa comprendido entre 4 y 15 ng\/ml, en el que el psa carece de elevada especificidad, a pesar de la importancia bien demostrada que ha adquirido el psa en el diagn\u00f3stico precoz de los tumores \u00f3rgano-confiados desde su introducci\u00f3n en cl\u00ednica en la d\u00e9cada de los 80.  en este estudio se seleccionan 92 pacientes en programas de screening de c\u00e1ncer de pr\u00f3stata por elevaci\u00f3n del psa y\/o alteraci\u00f3n del tacto rectal, que fueron biopsiados y posteriormente seguidos, en caso de biopsia negativa, durante 2 a\u00f1os, con posteriores rebiopsias en algunos de ellos. En estos pacientes se realiz\u00f3, previamente a la 1\u00aa biopsia transrectal ecodirigida, una resonancia magn\u00e9tica con coil endorectal con un aparato de 1,5 t medical systems (wisconsin). Se realizaron un total de 184 biopsias (1 biopsia en los 92 pacientes, 2 biopsias en 61 pacientes, 3 biopsias en 27 pacientes, 4 biopsias en 3 pacientes, 5 biopsias en 1 pacientes). 67 pacientes tuvieron una biopsia final negativa y 25 biopsia final positiva. Se analizan los resultados de las biopsias obtenidas con los resultados de la resonancia trasnrectal previa al inicio de las biopsias.  se estudian la sensibilidad, especificidad, valor predictivo positivo (vpp), valor predictivo negativo (vpn) del tacto rectal (tr), psa, psa libre y resonancia magn\u00e9tica transrectal (rmntr). Se utiliz\u00f3 un modelo de regresi\u00f3n log\u00edstica y c\u00e1lculo de curvas roc en las variables continuas.  se observ\u00f3 que la rmntr tuvo un elevado vpn (91,07%) y asimismo fue la prueba con mayor capacidad diagn\u00f3stica (fiabilidad: 77%) y discriminatoria de todas las variables estudiadas, incluido el psa que no fue una variable discriminatoria de tumor en este grupo de pacientes; la diferncia del psa en el grupo de pacien<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Valor de la resonancia mang\u00e9tica con coil transrectal en el escreening del c\u00e1ncer de pr\u00f3stata.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Valor de la resonancia mang\u00e9tica con coil transrectal en el escreening del c\u00e1ncer de pr\u00f3stata. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Josep Comet Batlle <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/07\/2000<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Antoni Gelabert Mas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jaime Fernandez-llamazares ramirez <\/li>\n<li>Juan Morote robles (vocal)<\/li>\n<li>pablo Carretero gomez (vocal)<\/li>\n<li>narc\u00eds Serralllach mill\u00e1 (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Josep Comet Batlle El diagn\u00f3stico precoz del c\u00e1ncer de pr\u00f3stata mediante tacto rectal y determianci\u00f3n seriada de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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