{"id":41311,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/evaluacion-endoscopica-de-un-modelo-experimental-de-carcinogenesis-gastrica-desarrollado-en-ratas-wistar-con-n-metil-n-nitrosometilurea\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"evaluacion-endoscopica-de-un-modelo-experimental-de-carcinogenesis-gastrica-desarrollado-en-ratas-wistar-con-n-metil-n-nitrosometilurea","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/evaluacion-endoscopica-de-un-modelo-experimental-de-carcinogenesis-gastrica-desarrollado-en-ratas-wistar-con-n-metil-n-nitrosometilurea\/","title":{"rendered":"Evaluacion endoscopica de un modelo experimental de carcinogenesis gastrica desarrollado en ratas wistar con n, metil n, nitrosometilurea."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Morollon Loriz M. Jose <\/strong><\/h2>\n<p>Se estudia en el presente trabajo la posibilidad de controlar por endoscopia, el crecimiento de tumores g\u00e1stricos inducidos, en un modelo experimental de carcinog\u00e9nesis g\u00e1strica que emplea una f\u00edstula gastroenterocut\u00e1nea tanto para la inducci\u00f3n carcinomatosa como para la observaci\u00f3n endosoc\u00f3pica.  se han utilizado 32 ratas wistar hembra de 10 a 12 semanas de edad, divididas en dos grupos i y ii. A todos los animales se les construye una f\u00edstula de mann bollman, en el grupo ii se administra a trav\u00e9s de la f\u00edstula, 5 dosis de una soluci\u00f3n acuosa al 3% de metil, n nitrosometilurea (15 mg\/100 gr. De peso) a raz\u00f3n de una por semana, junto con un bloqueo pil\u00f3rico previo para que el cancer\u00edgeno act\u00fae solo en el est\u00f3mago. posteriormente, se practican al menos tres endoscopias a trav\u00e9s de la f\u00edstula con un broncoscopio infantil olympus r bf 3c20, en el grupo i para describir el est\u00f3mago en la rata normal, y en el grupo ii adem\u00e1s se describen la evoluci\u00f3n y caracter\u00edsticas macrosc\u00f3picas de los tumores o lesiones encontrados: forma, n\u00famero, tama\u00f1o y localizaci\u00f3n. A las 30 semanas de comenzar el experimento se sacrifica a los animales, y se comprueba la concordancia de los hallazgos endosc\u00f3picos con la necropsia, realizando estudio anatomopatol\u00f3gico.  en todos los animales v\u00e1lidos, 10 en cada grupo, se pueden realizar endoscopias seriaadas sin precisar intubaci\u00f3n orotraqueal ni afectar al estado general del animal. Se pueden observar todas las regiones g\u00e1stricas gracias a que la exploraci\u00f3n se desarrolla con un endoscopio flexible. todas las ratas del grupo ii desarrollan tumores en la regi\u00f3n escamosa del est\u00f3mago, que observados por endoscopia, son confirmados en la necropsia. El estudio anatomopatol\u00f3gico identifica los tumores como carcinomas y papilomas escamosos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Evaluacion endoscopica de un modelo experimental de carcinogenesis gastrica desarrollado en ratas wistar con n, metil n, nitrosometilurea.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Evaluacion endoscopica de un modelo experimental de carcinogenesis gastrica desarrollado en ratas wistar con n, metil n, nitrosometilurea. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Morollon Loriz M. Jose <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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> Morandeira Garc\u00eda Jos\u00e9 Ram\u00f3n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Barreiro morandeira <\/li>\n<li> Morales lamuela rosa Mar\u00eda (vocal)<\/li>\n<li>lourdes Morte garcia (vocal)<\/li>\n<li>Rafael Uribarrena echevarria (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Morollon Loriz M. Jose Se estudia en el presente trabajo la posibilidad de controlar por endoscopia, el [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[8901,9,141,1279,156,1323,13610],"tags":[34880,90859,22679,11871,104720,104721],"class_list":["post-41311","post","type-post","status-publish","format-standard","hentry","category-carcinogenesis","category-ciencias-medicas","category-cirugia","category-cirugia-experimental","category-patologia","category-patologia-experimental","category-zaragoza","tag-francisco-barreiro-morandeira","tag-lourdes-morte-garcia","tag-morales-lamuela-rosa-maria","tag-morandeira-garcia-jose-ramon","tag-morollon-loriz-m-jose","tag-rafael-uribarrena-echevarria"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/41311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=41311"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/41311\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=41311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=41311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=41311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}