{"id":7441,"date":"2020-11-14T07:20:33","date_gmt":"2020-11-14T07:20:33","guid":{"rendered":"https:\/\/dermatly.com\/patologia-del-neurofibroma\/"},"modified":"2026-03-10T16:12:09","modified_gmt":"2026-03-10T16:12:09","slug":"patologia-del-neurofibroma","status":"publish","type":"glossary","link":"https:\/\/dermatly.com\/nl\/patologia-del-neurofibroma\/","title":{"rendered":"Patolog\u00eda del neurofibroma"},"content":{"rendered":"<section class=\"textBlock\">\n<p>Los <span class=\"term\" data-term-id=\"1722\">Neurofibromas<\/span> son formaciones tumorales frecuentes que pueden presentarse como una \u00fanica <span class=\"term\" data-term-id=\"164\">lesi\u00f3n<\/span> o manifestarse en forma m\u00faltiple bajo el diagn\u00f3stico de <span class=\"term\" data-term-id=\"876\">neurofibromatosis<\/span>.<\/p>\n<h2>Histolog\u00eda y Caracter\u00edsticas Microsc\u00f3picas del Neurofibroma<\/h2>\n<p>Al examinar un neurofibroma bajo el microscopio, se observa una <span class=\"term\" data-term-id=\"1705\">lesi\u00f3n<\/span> no <span class=\"term\" data-term-id=\"1705\">encapsulada<\/span> localizada en el <span class=\"term\" data-term-id=\"61\">dermis<\/span> (observar Figura 1). Estas formaciones representan una <span class=\"term\" data-term-id=\"893\">proliferaci\u00f3n<\/span> de todos los componentes del <span class=\"term\" data-term-id=\"1374\">nervio<\/span> <span class=\"term\" data-term-id=\"952\">perif\u00e9rico<\/span>. Las c\u00e9lulas exhiben <span class=\"term\" data-term-id=\"729\">n\u00facleos<\/span> con ondulaciones <span class=\"term\" data-term-id=\"2313\">serpentina<\/span> y terminaciones puntiagudas (detallado en figuras 2 a 4). Se identifica tambi\u00e9n estroma con presencia de <span class=\"term\" data-term-id=\"1636\">mucina<\/span> y <span class=\"term\" data-term-id=\"1830\">fibroplasia<\/span> (figuras 2-4). Frecuentemente, es sencillo localizar <span class=\"term\" data-term-id=\"582\">Mastocitos<\/span> (se\u00f1alados con una flecha en la figura 4). Los <span class=\"term\" data-term-id=\"486\">Axones<\/span> atraviesan el <span class=\"term\" data-term-id=\"289\">tumor<\/span>; aunque su visualizaci\u00f3n es compleja en tinciones de rutina, pueden ser mejor demostrados mediante tinciones inmunohistoqu\u00edmicas espec\u00edficas para neurofilamentos.<\/p>\n<p>El neurofibroma <span class=\"term\" data-term-id=\"891\">plexiforme<\/span> constituye un subtipo distintivo donde el crecimiento tumoral infiltra y se expande de manera irregular a lo largo del haz nervioso. Aunque los neurofibromas plexiformes extensos son un hallazgo caracter\u00edstico de la Neurofibromatosis tipo 1 (NF1), un patr\u00f3n plexiforme tambi\u00e9n puede observarse en lesiones cut\u00e1neas aisladas con menor trascendencia cl\u00ednica.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h3 class=\"colour--primary\">Patolog\u00eda del Neurofibroma<\/h3>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<div class=\"imageLinkBlock__item__image\">\n                    <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/neurofibroma-figure-1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Micrograf\u00eda mostrando la histolog\u00eda de un neurofibroma, Figura 1\"><\/p>\n<p class=\"p-small\">Figura 1<\/p>\n<\/p><\/div>\n<div class=\"imageLinkBlock__item__image\">\n                    <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/neurofibroma-figure-2__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Micrograf\u00eda detallada de la proliferaci\u00f3n celular y n\u00facleos serpentinos en neurofibroma, Figura 2\"><\/p>\n<p class=\"p-small\">Figura 2<\/p>\n<\/p><\/div>\n<div class=\"imageLinkBlock__item__image\">\n                    <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/neurofibroma-figure-3__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Imagen histol\u00f3gica que ilustra estroma y fibroplasia en el neurofibroma, Figura 3\"><\/p>\n<p class=\"p-small\">figura 3<\/p>\n<\/p><\/div>\n<div class=\"imageLinkBlock__item__image\">\n                    <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/neurofibroma-figure-4__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Micrograf\u00eda mostrando mastocitos (flecha) en el tejido tumoral del neurofibroma, Figura 4\"><\/p>\n<p class=\"p-small\">Figura 4<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Estudios Especiales para la Confirmaci\u00f3n del Neurofibroma<\/h2>\n<p>Se observan resultados positivos para los marcadores S100 y CD34 + (<span class=\"term\" data-term-id=\"489\">focal<\/span>). En contraste, las tinciones para EMA resultan negativas, excepto en los neurofibromas plexiformes, donde el EMA s\u00ed te\u00f1ir\u00e1 el perineuro que rodea el haz nervioso.<\/p>\n<div id=\"square-placement-country-holder\" class=\"country-dependent advert\">\n<div class=\"box-placement square-placement\">\n<div class=\"advert__frame\">\n                <!-- \/340621630\/dermnet_mobile_afterfirstsection_300x250 --><\/p>\n<div style=\"display: none;\" id=\"hidden-div-gpt-ad-1484122037505-8\" class=\"[ js-hideable ]\"><\/div>\n<p>                <script>\n                    if (ads_screenwidth < 780 ) {\n                        var inline = document.createElement(\"div\");\n                        var ad = document.createElement(\"div\");\n\n                        ad.id = 'div-gpt-ad-1484122037505-8';\n                        ad.style.height=\"250px\";\n                        ad.style.width=\"300px;\";\n\n                        inline.appendChild(ad);\n                        inline.className = \"inline\";\n                        var placeholder = document.getElementById(\"hidden-div-gpt-ad-1484122037505-8\");\n                        placeholder.parentNode.replaceChild(inline, placeholder);\n                        (function () {\n                            googletag.cmd.push(function () {\n                                googletag.display('div-gpt-ad-1484122037505-8');\n                            });\n                        })();\n                    }\n                <\/script>\n            <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<h2>Diagn\u00f3stico Diferencial en la Patolog\u00eda del Neurofibroma<\/h2>\n<p>Para el <span class=\"term\" data-term-id=\"813\">Diagn\u00f3stico diferencial<\/span> de la <span class=\"term\" data-term-id=\"223\">patolog\u00eda<\/span> del neurofibroma, es crucial distinguir lo siguiente:<\/p>\n<ul>\n<li><strong>Schwannoma:<\/strong> Se caracteriza por mostrar los patrones Antoni A y B y es t\u00edpicamente encapsulado. El neurofibroma plexiforme puede presentar morfolog\u00edas similares al schwannoma. Sin embargo, los neurofibromas suelen contener axones que atraviesan la masa, detectables inmunohistoqu\u00edmicamente para neurofilamento.<\/li>\n<li><strong>Perineurioma:<\/strong> A diferencia del neurofibroma, estas lesiones son positivas para EMA pero muestran negatividad para S100.<\/li>\n<li><strong>Dermatofibrosarcoma Protuberans:<\/strong> Se distingue por la positividad al marcador CD34 y la ausencia de positividad para S100.<\/li>\n<\/ul>\n<p>La correcta identificaci\u00f3n de estos perfiles inmunohistoqu\u00edmicos resulta fundamental para establecer un diagn\u00f3stico histopatol\u00f3gico preciso.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Los Neurofibromas son formaciones tumorales frecuentes que pueden presentarse como una \u00fanica lesi\u00f3n o manifestarse en forma m\u00faltiple bajo el diagn\u00f3stico de neurofibromatosis. Histolog\u00eda y Caracter\u00edsticas Microsc\u00f3picas del Neurofibroma Al examinar un neurofibroma bajo el microscopio, se observa una lesi\u00f3n no encapsulada localizada en el dermis (observar Figura 1). Estas formaciones representan una proliferaci\u00f3n de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7446,"parent":0,"template":"","glossary-cat":[],"class_list":["post-7441","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Patolog\u00eda del neurofibroma - Dermatly.com - El sitio de tu piel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dermatly.com\/nl\/patologia-del-neurofibroma\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Patolog\u00eda del neurofibroma\" \/>\n<meta property=\"og:description\" content=\"Los Neurofibromas son formaciones tumorales frecuentes que pueden presentarse como una \u00fanica lesi\u00f3n o manifestarse en forma m\u00faltiple bajo el diagn\u00f3stico de neurofibromatosis. Histolog\u00eda y Caracter\u00edsticas Microsc\u00f3picas del Neurofibroma Al examinar un neurofibroma bajo el microscopio, se observa una lesi\u00f3n no encapsulada localizada en el dermis (observar Figura 1). 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