{"id":6428,"date":"2020-11-13T08:29:21","date_gmt":"2020-11-13T08:29:21","guid":{"rendered":"https:\/\/dermatly.com\/patologia-de-la-dermatitis-por-radiacion\/"},"modified":"2026-03-10T16:40:58","modified_gmt":"2026-03-10T16:40:58","slug":"patologia-della-dermatite-da-radiazioni","status":"publish","type":"glossary","link":"https:\/\/dermatly.com\/it\/patologia-de-la-dermatitis-por-radiacion\/","title":{"rendered":"Patologia della dermatite da radiazioni"},"content":{"rendered":"<section class=\"textBlock\">\n<p>La <span class=\"term\" data-term-id=\"53\">dermatitis<\/span> por radiaci\u00f3n se manifiesta en la regi\u00f3n afectada despu\u00e9s de haber recibido <span class=\"term\" data-term-id=\"1325\">radioterapia<\/span> para el tratamiento de <span class=\"term\" data-term-id=\"30\">c\u00e1ncer<\/span>, o como consecuencia de una exposici\u00f3n accidental a fuentes de radiaci\u00f3n.<\/p>\n<h2>An\u00e1lisis Histol\u00f3gico de la Dermatitis por Radiaci\u00f3n<\/h2>\n<p>El estudio histol\u00f3gico de la dermatitis por radiaci\u00f3n <span class=\"term\" data-term-id=\"319\">cr\u00f3nica<\/span> revela una <span class=\"term\" data-term-id=\"52\">esclerosis<\/span> <span class=\"term\" data-term-id=\"260\">d\u00e9rmica<\/span> significativa, junto con <span class=\"term\" data-term-id=\"80\">elastosis<\/span> y ectasia <span class=\"term\" data-term-id=\"753\">vascular<\/span>, todos ellos superpuestos sobre un <span class=\"term\" data-term-id=\"85\">epidermis<\/span> que frecuentemente presenta <span class=\"term\" data-term-id=\"1470\">hiperqueratosis<\/span> (observar Figura 1). En la microscop\u00eda es posible identificar <span class=\"term\" data-term-id=\"269\">espongiosis<\/span> <span class=\"term\" data-term-id=\"846\">epid\u00e9rmica<\/span> o alteraciones notorias de <span class=\"term\" data-term-id=\"294\">vacuolizaci\u00f3n<\/span> <span class=\"term\" data-term-id=\"831\">basal<\/span> (Figura 2). T\u00edpicamente, los vasos d\u00e9rmicos se encuentran marcadamente dilatados en las etapas avanzadas (Figura 3). Tanto los <span class=\"term\" data-term-id=\"101\">fibroblastos<\/span> del <span class=\"term\" data-term-id=\"1655\">estroma<\/span> como las c\u00e9lulas <span class=\"term\" data-term-id=\"758\">endoteliales<\/span> pueden exhibir cierto grado de hipercrom\u00eda, aumento de tama\u00f1o e <span class=\"term\" data-term-id=\"1305\">atipia<\/span> (denominados fibroblastos de radiaci\u00f3n, v\u00e9ase Figura 3). Es com\u00fan que coexista una respuesta <span class=\"term\" data-term-id=\"490\">inflamatoria<\/span> de tipo mixto.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h3 class=\"colour--primary\">Patolog\u00eda de la Dermatitis por Radiaci\u00f3n<\/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\/radiation-dermatitis-figure-1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Microscop\u00eda mostrando caracter\u00edsticas histol\u00f3gicas de dermatitis por radiaci\u00f3n cr\u00f3nica, incluyendo esclerosis d\u00e9rmica y dilataci\u00f3n vascular.\"><\/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\/radiation-dermatitis-figure-2__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Imagen histol\u00f3gica que muestra espongiosis epid\u00e9rmica y cambios de vacuolizaci\u00f3n basal en dermatitis por radiaci\u00f3n.\"><\/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\/radiation-dermatitis-figure-3__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Detalle de vasos d\u00e9rmicos dilatados y fibroblastos at\u00edpicos (fibroblastos de radiaci\u00f3n) en la dermatitis por radiaci\u00f3n avanzada.\"><\/p>\n<p class=\"p-small\">figura 3<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Estudios Complementarios para el Diagn\u00f3stico de Dermatitis por Radiaci\u00f3n<\/h2>\n<p>Generalmente, para confirmar la dermatitis por radiaci\u00f3n no se requiere la realizaci\u00f3n de estudios complementarios especializados.<\/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 de la Dermatitis Inducida por Radiaci\u00f3n<\/h2>\n<p>Para establecer el <span class=\"term\" data-term-id=\"813\">diagn\u00f3stico diferencial<\/span> de esta afecci\u00f3n cut\u00e1nea, es esencial considerar los siguientes aspectos:<\/p>\n<ul>\n<li>\n            <span class=\"term\" data-term-id=\"1742\">Malignidad Potencial:<\/span> Se vuelve indispensable practicar una biopsia de la zona afectada por dermatitis por radiaci\u00f3n para descartar la reactivaci\u00f3n tumoral. Esto es particularmente cr\u00edtico despu\u00e9s de la irradiaci\u00f3n mamaria, donde se buscan signos de <span class=\"term\" data-term-id=\"805\">recurrencia<\/span> de <span class=\"term\" data-term-id=\"32\">carcinoma<\/span> o la aparici\u00f3n de angiosarcoma. Las c\u00e9lulas at\u00edpicas, tanto fibroblastos como endoteliales, pueden generar confusi\u00f3n con procesos malignos.\n        <\/li>\n<li>\n            Morfea (Esclerodermia Localizada): Esta condici\u00f3n usualmente no exhibe los fibroblastos de radiaci\u00f3n caracter\u00edsticos. No obstante, cuando la morfea es inducida por radiaci\u00f3n, puede imitar muy de cerca la apariencia de la dermatitis por radiaci\u00f3n, lo que implica una posible superposici\u00f3n diagn\u00f3stica entre ambas patolog\u00edas.\n        <\/li>\n<\/ul>\n<p>Garantizar una tipificaci\u00f3n diagn\u00f3stica correcta resulta fundamental, ya que las marcadas semejanzas histopatol\u00f3gicas observadas entre las secuelas tard\u00edas de la radiaci\u00f3n y ciertas neoplasias requieren un escrutinio patol\u00f3gico sumamente riguroso.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>La dermatitis por radiaci\u00f3n se manifiesta en la regi\u00f3n afectada despu\u00e9s de haber recibido radioterapia para el tratamiento de c\u00e1ncer, o como consecuencia de una exposici\u00f3n accidental a fuentes de radiaci\u00f3n. An\u00e1lisis Histol\u00f3gico de la Dermatitis por Radiaci\u00f3n El estudio histol\u00f3gico de la dermatitis por radiaci\u00f3n cr\u00f3nica revela una esclerosis d\u00e9rmica significativa, junto con elastosis [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6432,"parent":0,"template":"","glossary-cat":[],"class_list":["post-6428","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 de la dermatitis por radiaci\u00f3n - 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-della-dermatite-da-radiazioni\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Patolog\u00eda de la dermatitis por radiaci\u00f3n\" \/>\n<meta property=\"og:description\" content=\"La dermatitis por radiaci\u00f3n se manifiesta en la regi\u00f3n afectada despu\u00e9s de haber recibido radioterapia para el tratamiento de c\u00e1ncer, o como consecuencia de una exposici\u00f3n accidental a fuentes de radiaci\u00f3n. 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