{"id":10094,"date":"2020-11-17T04:52:23","date_gmt":"2020-11-17T04:52:23","guid":{"rendered":"https:\/\/dermatly.com\/patologia-del-nevo-del-tejido-conectivo-fibroblastico\/"},"modified":"2026-03-10T16:34:07","modified_gmt":"2026-03-10T16:34:07","slug":"patologia-del-nevo-tessuto-connettivo-fibroblastico","status":"publish","type":"glossary","link":"https:\/\/dermatly.com\/it\/patologia-del-nevo-del-tejido-conectivo-fibroblastico\/","title":{"rendered":"Patologia del neo del tessuto connettivo fibroblastico"},"content":{"rendered":"<section class=\"textBlock\">\n<h1>Nevus Fibrobl\u00e1stico del Tejido Conectivo: Presentaci\u00f3n y Caracter\u00edsticas<\/h1>\n<p>El <a href=\"#def-fibroblastic-connective-tissue-nevus\">nevus fibrobl\u00e1stico del tejido conectivo<\/a> se manifiesta t\u00edpicamente durante la primera d\u00e9cada de vida. Con frecuencia, aparece como un engrosamiento <span class=\"term\" data-term-id=\"235\">placa<\/span>-similar de la <span class=\"term\" data-term-id=\"47\">piel<\/span>, mal definido, que surge con mayor prevalencia en el tronco y la regi\u00f3n de cabeza y cuello en ni\u00f1as.<\/p>\n<h2>Histolog\u00eda y Caracter\u00edsticas Microsc\u00f3picas del Nevus Fibrobl\u00e1stico<\/h2>\n<p>El nevo de tejido conectivo fibrobl\u00e1stico se localiza predominantemente en la <span class=\"term\" data-term-id=\"1400\">reticular<\/span> <span class=\"term\" data-term-id=\"61\">dermis<\/span>, con una extensi\u00f3n frecuente hacia la <span class=\"term\" data-term-id=\"1282\">subcutis<\/span> superficial (figuras 1, 2). En ocasiones, se observa un leve componente <span class=\"term\" data-term-id=\"216\">papilomatoso<\/span> de la <span class=\"term\" data-term-id=\"85\">epidermis<\/span>. Las c\u00e9lulas <span class=\"term\" data-term-id=\"2114\">lesionales<\/span> son de tipo fibrobl\u00e1stico\/miofibrobl\u00e1stico, fusiformes, con <span class=\"term\" data-term-id=\"838\">citoplasma<\/span> p\u00e1lido e indistintamente <span class=\"term\" data-term-id=\"449\">eosinof\u00edlico<\/span>, y presentan <span class=\"term\" data-term-id=\"729\">n\u00facleos<\/span> delgados, sin mostrar <span class=\"term\" data-term-id=\"1305\">atipia<\/span> citol\u00f3gica significativa ni <span class=\"term\" data-term-id=\"1539\">pleomorfismo<\/span> (figuras 3, 4). Estas c\u00e9lulas forman <span class=\"term\" data-term-id=\"1674\">fasc\u00edculos<\/span> cortos sin una orientaci\u00f3n definida respecto a la epidermis suprayacente, asoci\u00e1ndose a un <span class=\"term\" data-term-id=\"1655\">estroma<\/span> laxo compuesto principalmente por delicados o tenues haces de <span class=\"term\" data-term-id=\"39\">col\u00e1geno<\/span> (figuras 3, 4).<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h3 class=\"colour--primary\">Anatom\u00eda Patol\u00f3gica del Nevus de Tejido Conectivo Fibrobl\u00e1stico<\/h3>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/ct-naevus-fig-1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Ilustraci\u00f3n patol\u00f3gica mostrando un nevo de tejido conectivo fibrobl\u00e1stico\">\n                <\/div>\n<p class=\"p-small\">Figura 1<\/p>\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/ct-naevus-fig-2__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Ilustraci\u00f3n patol\u00f3gica mostrando un nevo de tejido conectivo fibrobl\u00e1stico\">\n                <\/div>\n<p class=\"p-small\">Figura 2<\/p>\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/ct-naevus-fig-3__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Ilustraci\u00f3n patol\u00f3gica mostrando un nevo de tejido conectivo fibrobl\u00e1stico\">\n                <\/div>\n<p class=\"p-small\">figura 3<\/p>\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/ct-naevus-fig-4__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Ilustraci\u00f3n patol\u00f3gica mostrando un nevo de tejido conectivo fibrobl\u00e1stico\">\n                <\/div>\n<p class=\"p-small\">Figura 4<\/p>\n<\/p><\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Estudios Especiales para el Nevus Fibrobl\u00e1stico del Tejido Conectivo<\/h2>\n<p>Las c\u00e9lulas de la <span class=\"term\" data-term-id=\"164\">lesi\u00f3n<\/span> exhiben una expresi\u00f3n variable para el marcador CD34, mientras que la actina de m\u00fasculo liso muestra una positividad tambi\u00e9n variable. Los an\u00e1lisis mediante estudios <span class=\"term\" data-term-id=\"1237\">FISH<\/span> (Hibridaci\u00f3n Fluorescente In Situ) no demuestran la <span class=\"term\" data-term-id=\"1849\">translocaci\u00f3n<\/span> PDGF\/Col observada t\u00edpicamente en el dermatofibrosarcoma, lo cual es un punto clave para el diagn\u00f3stico diferencial.<\/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 del Nevus Fibrobl\u00e1stico del Tejido Conectivo<\/h2>\n<p>Es crucial diferenciar este nevo del Dermatofibrosarcoma Protuberans (DFSP). El DFSP generalmente se caracteriza por ser m\u00e1s <span class=\"term\" data-term-id=\"956\">celular<\/span> y exhibir un patr\u00f3n de crecimiento estoriforme. Adem\u00e1s, los an\u00e1lisis FISH en el caso del DFSP suelen confirmar la presencia de la translocaci\u00f3n PDGF\/Col, ausente en el nevo fibrobl\u00e1stico del tejido conectivo.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Nevus Fibrobl\u00e1stico del Tejido Conectivo: Presentaci\u00f3n y Caracter\u00edsticas El nevus fibrobl\u00e1stico del tejido conectivo se manifiesta t\u00edpicamente durante la primera d\u00e9cada de vida. Con frecuencia, aparece como un engrosamiento placa-similar de la piel, mal definido, que surge con mayor prevalencia en el tronco y la regi\u00f3n de cabeza y cuello en ni\u00f1as. Histolog\u00eda y Caracter\u00edsticas [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10099,"parent":0,"template":"","glossary-cat":[],"class_list":["post-10094","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 nevo del tejido conectivo fibrobl\u00e1stico - 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\/it\/patologia-del-nevo-tessuto-connettivo-fibroblastico\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Patolog\u00eda del nevo del tejido conectivo fibrobl\u00e1stico\" \/>\n<meta property=\"og:description\" content=\"Nevus Fibrobl\u00e1stico del Tejido Conectivo: Presentaci\u00f3n y Caracter\u00edsticas El nevus fibrobl\u00e1stico del tejido conectivo se manifiesta t\u00edpicamente durante la primera d\u00e9cada de vida. 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