{"id":83045,"date":"2018-03-10T00:07:07","date_gmt":"2018-03-10T00:07:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/dermatofibroma-histogenesis-y-correlacion-clinica-morfologica-inmunohistoquimica-y-ultraestructural\/"},"modified":"2018-03-10T00:07:07","modified_gmt":"2018-03-10T00:07:07","slug":"dermatofibroma-histogenesis-y-correlacion-clinica-morfologica-inmunohistoquimica-y-ultraestructural","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/dermatofibroma-histogenesis-y-correlacion-clinica-morfologica-inmunohistoquimica-y-ultraestructural\/","title":{"rendered":"Dermatofibroma, histogenesis y correlacion clinica, morfologica, inmunohistoquimica y ultraestructural."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Antonio Bello Ortega <\/strong><\/h2>\n<p>Los dermatofibromas, que son tumores fibrohistioc\u00edticos benignos de la piel, han sido estudiados en esta tesis, desde el punto de vista cl\u00ednico, histol\u00f3gico, inmunohistoqu\u00edmico y ultraestructural.  el material de estudio, consisti\u00f3 en 157 dermatofibromas, obtenidos mediante extirpaci\u00f3n completa de la lesi\u00f3n y recogidos en los servicios de dermatolog\u00eda y anatom\u00eda patol\u00f3gica del hospital universitario de canarias. el m\u00e9todo fue el convencional para las t\u00e9cnicas de microscop\u00eda \u00f3ptica, electr\u00f3nica e inmunohistoqu\u00edmica. Se seleccionaron los 157 casos para microscop\u00eda \u00f3ptica, 60 casos para electr\u00f3nica y 55 casos para inmunohistoquimia, para esta \u00faltima t\u00e9cnica se evalu\u00f3 su positividad siguiendo criterios de grado semicuantitativos.  en cuanto a sus resultados cl\u00ednicos, la m\u00e1xima incidencia de estos tumores fue entre los 20 y 30 a\u00f1os, predominaron en el sexo femenino, siendo la localizaci\u00f3n preferente las extremidades inferiores. La pr\u00e1ctica totalidad de la muestra se present\u00f3 como lesi\u00f3n \u00fanica, en forma de p\u00e1pula o n\u00f3dulo de coloraci\u00f3n parduzca y consistencia firme. De sus resultados histol\u00f3gicos se desprende, que el tipo m\u00e1s frecuente es el dermatofibroma fibroso (86,62%), seguido del histioc\u00edtico (10,89%) y el vascular (2,54%). Dentro del tipo fibroso, destaca el subtipo cl\u00e1sico como el m\u00e1s frecuentes. Se estudiaron, adem\u00e1s una serie de par\u00e1metros histol\u00f3gicos tales como: c\u00e9lulas gigantes multinucleadas, c\u00e9lulas xantomatosas, dep\u00f3sitos de hemosiderina, la reacci\u00f3n inflamatoria estromal y peritumoral y el n\u00famero de mitosis, correlacionandoles con los diferentes tipos histol\u00f3gicos.  en lo que respecta a los estudios inmunohistoqu\u00edmicos, el factor xiiia mostr\u00f3 en la mayor\u00eda de los casos inmunoreactividad positiva (89,10%), sugiriendo su inmunoreactividad a partir de los dendrocitos d\u00e9rmicos tipo i. El marcador histiocitario a-1 antiquimotripsina present\u00f3 respuesta inconstante, lo que cuesti<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dermatofibroma, histogenesis y correlacion clinica, morfologica, inmunohistoquimica y ultraestructural.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dermatofibroma, histogenesis y correlacion clinica, morfologica, inmunohistoquimica y ultraestructural. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Antonio Bello Ortega <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/01\/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>Lucio Diaz Flores Feo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: norberto Hernandez siverio <\/li>\n<li>buenaventura Hernandez hernandez (vocal)<\/li>\n<li>rosalba Sanchez gonzalez (vocal)<\/li>\n<li> Cabrera galvan Juan  Jos\u00e9 (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Antonio Bello Ortega Los dermatofibromas, que son tumores fibrohistioc\u00edticos benignos de la piel, han sido estudiados en [&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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