{"id":26903,"date":"2018-03-09T09:18:56","date_gmt":"2018-03-09T09:18:56","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valoracion-de-los-tumores-hepaticos-mediante-el-estudio-dinamico-con-resonancia-magnetica\/"},"modified":"2018-03-09T09:18:56","modified_gmt":"2018-03-09T09:18:56","slug":"valoracion-de-los-tumores-hepaticos-mediante-el-estudio-dinamico-con-resonancia-magnetica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valoracion-de-los-tumores-hepaticos-mediante-el-estudio-dinamico-con-resonancia-magnetica\/","title":{"rendered":"Valoraci\u00f3n de los tumores hep\u00e1ticos mediante el estudio din\u00e1mico con resonancia magn\u00e9tica"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Casillas Melendez <\/strong><\/h2>\n<p>Se realiza un estudio retrospectivo incluyendo los pacientes estudiados con resonancia magn\u00e9tica (rm) hep\u00e1tica y secuencia din\u00e1mica en los que se identificaban lesiones focales hep\u00e1ticas (lfh) con diagn\u00f3stico definitivo (149 pacientes, 164 lesiones). Se analizan el patr\u00f3n, morfolog\u00eda y velocidad de captaci\u00f3n del contraste de los tumores hep\u00e1ticos, con s\u00f3lo 4 im\u00e1genes (basal, perfusi\u00f3n arterial, perfusi\u00f3n portal y tard\u00eda) y con im\u00e1genes procesadas inform\u00e1ticamente (mapas de reconstrucci\u00f3n temporal de captaci\u00f3n (mrtc) y velocidad (mrtv), as\u00ed como el perfil superior del mrtc).  objetivos  1,- evaluar la perfusi\u00f3n de las lhf identificadas en rm con t\u00e9cnicas din\u00e1mica de alta resoluci\u00f3n temporal y contraste paramagn\u00e9tico extracelular, mediante 4 im\u00e1genes representativas.  2,- analizar los mrtc y mrtv obtenidos a partir de las 15 im\u00e1genes de la secuencia din\u00e1mica, as\u00ed como los perfiles superiores de los mrtc.  3,- comparar el an\u00e1lisis de los mrt con t\u00e9cnicas de an\u00e1lisis basadas en solo 4 momentos de la secuencia din\u00e1mica.  4,- caracterizar las diferentes lfh relacionando los patrones de perfusi\u00f3n con la histolog\u00eda de las mismas, as\u00ed como establecer criterios para diferenciar grupos histol\u00f3gicos de la lfh en las im\u00e1genes originales y en las tratadas digitalmente.  conclusiones  1,- el an\u00e1lisis visual del comportamiento din\u00e1mico de las lfh con s\u00f3lo 4 momentos (sin contraste, perfusi\u00f3n arterial, perfusi\u00f3n portal y fase intersticial tard\u00eda) de una secuencia din\u00e1mica de rm, tras la administraci\u00f3n intravenosa de un quelato de gadolinio, permite, en la mayor\u00eda de las ocasiones, su caracterizaci\u00f3n histol\u00f3gica.  2,- las caracter\u00edsticas de la intensidad y de la morfolog\u00eda de la captaci\u00f3n del contraste en las lhf estudiadas con el mrtc, se correlacionan con los diferentes grupos histol\u00f3gicos.  3,- la velocidad de captaci\u00f3n del contraste de las lfh, analizada con el mrtv, no permite por s\u00ed sol<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Valoraci\u00f3n de los tumores hep\u00e1ticos mediante el estudio din\u00e1mico con resonancia magn\u00e9tica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Valoraci\u00f3n de los tumores hep\u00e1ticos mediante el estudio din\u00e1mico con resonancia magn\u00e9tica <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Casillas Melendez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/11\/2003<\/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>Luis Mart\u00ed Bonmat\u00ed<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: paloma Ballesteros Garc\u00eda <\/li>\n<li>Jaime Gili planas (vocal)<\/li>\n<li>sebasti\u00e1n Cerd\u00e1n Garc\u00eda-esteller (vocal)<\/li>\n<li>montserrat Robles viejo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Casillas Melendez Se realiza un estudio retrospectivo incluyendo los pacientes estudiados con resonancia magn\u00e9tica (rm) hep\u00e1tica [&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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