{"id":13615,"date":"2020-11-20T21:24:28","date_gmt":"2020-11-20T21:24:28","guid":{"rendered":"https:\/\/dermatly.com\/patologia-de-la-foliculitis-por-malassezia\/"},"modified":"2026-03-10T16:45:15","modified_gmt":"2026-03-10T16:45:15","slug":"pathologie-der-malassezie-follikulitis","status":"publish","type":"glossary","link":"https:\/\/dermatly.com\/de\/patologia-de-la-foliculitis-por-malassezia\/","title":{"rendered":"Pathologie der Follikulitis durch Malassezia"},"content":{"rendered":"<section class=\"textBlock\">\n<h1>Aspectos Histopatol\u00f3gicos del Diagn\u00f3stico de la Foliculitis por Malassezia<\/h1>\n<p>En la mayor\u00eda de los casos, la foliculitis causada por levaduras del g\u00e9nero *Malassezia* (anteriormente conocido como *Pityrosporum*) se atribuye a la especie *Malassezia globosa*. La clave patol\u00f3gica principal parece ser la **oclusi\u00f3n folicular**, lo que sugiere que el crecimiento excesivo de la levadura es una consecuencia secundaria de este proceso obstructivo.<\/p>\n<h2>Histolog\u00eda Diagn\u00f3stica de la Foliculitis por Malassezia<\/h2>\n<p>A nivel histol\u00f3gico, los **fol\u00edculos** pilosos frecuentemente se encuentran taponados, si bien el resto de los cambios **epid\u00e9rmicos** son m\u00ednimos. Se observa una **foliculitis supurativa** que afecta predominantemente a las porciones **infundibulares** del **fol\u00edculo** piloso (las Figuras 1, 2 y 3 ilustran este proceso con aumentos progresivamente mayores).<\/p>\n<p>La tinci\u00f3n con \u00e1cido peri\u00f3dico de Schiff (PAS) es crucial, ya que revela numerosos **organismos** levaduriformes ovoides dentro del fol\u00edculo y, a menudo, extendi\u00e9ndose hacia la **dermis** circundante (recuadro de la Figura 1). Estas levaduras presentan una morfolog\u00eda caracter\u00edstica que se ha comparado con un \u00abpayaso con nariz de payaso\u00bb debido a la presencia de peque\u00f1os brotes en las formas similares a levaduras (flecha en la Figura 1). La dermis adyacente desarrolla una reacci\u00f3n **inflamatoria** reactiva que puede volverse exuberante si ocurre una ruptura folicular.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h2 class=\"colour--primary\">Anatom\u00eda Patol\u00f3gica de la Foliculitis por Malassezia<\/h2>\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\/pityrosporum-folliculitis-figure-1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Figura 1: Histopatolog\u00eda mostrando levaduras de Malassezia en fol\u00edculo piloso.\">\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\/pityrosporum-folliculitis-figure-2__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Figura 2: Micrograf\u00eda de la foliculitis por Malassezia.\">\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\/pityrosporum-folliculitis-figure-3__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Figura 3: Observaci\u00f3n detallada de la infecci\u00f3n f\u00fangica folicular.\">\n            <\/div>\n<p class=\"p-small\">figura 3<\/p>\n<\/p><\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Estudios Especializados para el Diagn\u00f3stico de la Foliculitis por Malassezia<\/h2>\n<p>Generalmente, es necesario realizar tinciones especiales como PAS o GMS (Tinci\u00f3n de Gomori Methenamine Silver) para confirmar la presencia de la levadura *Malassezia*. La **morfolog\u00eda** t\u00edpica del **organismo** puede ser observada claramente en la Figura 1, ayudando a diferenciarla de otras causas de inflamaci\u00f3n.<\/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 de la Foliculitis por Malassezia<\/h2>\n<p>Para establecer un diagn\u00f3stico definitivo de foliculitis por *Malassezia*, es fundamental distinguirla de otras afecciones foliculares:<\/p>\n<ul>\n<li><span class=\"term\" data-term-id=\"937\">Foliculitis Bacteriana:<\/span> Esta condici\u00f3n puede ser **morfol\u00f3gicamente** id\u00e9ntica a nivel cl\u00ednico, pero carecer\u00e1 de los organismos causales (levaduras) en la muestra histol\u00f3gica. Es muy probable que la foliculitis por *Malassezia* est\u00e9 subdiagnosticada, ya que solo se detecta rutinariamente si todas las muestras de foliculitis supurativa son sometidas a tinciones espec\u00edficas.<\/li>\n<li><span class=\"term\" data-term-id=\"113\">Granuloma de Majocci:<\/span> En contraste, las tinciones especiales en el granuloma de Majocci revelar\u00e1n dermatofitos dentro de las estructuras foliculares en lugar de formas levaduriformes. Adem\u00e1s, el proceso del granuloma tiende a ser una foliculitis profunda, a diferencia del predominio superficial observado en la foliculitis por *Pityrosporum*.<\/li>\n<\/ul>\n<p>Saber identificar estas diferencias mediante el an\u00e1lisis histopatol\u00f3gico es vital para asegurar el tratamiento antif\u00fangico adecuado y manejar correctamente la afecci\u00f3n cut\u00e1nea del paciente.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Aspectos Histopatol\u00f3gicos del Diagn\u00f3stico de la Foliculitis por Malassezia En la mayor\u00eda de los casos, la foliculitis causada por levaduras del g\u00e9nero *Malassezia* (anteriormente conocido como *Pityrosporum*) se atribuye a la especie *Malassezia globosa*. La clave patol\u00f3gica principal parece ser la **oclusi\u00f3n folicular**, lo que sugiere que el crecimiento excesivo de la levadura es una [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13619,"parent":0,"template":"","glossary-cat":[],"class_list":["post-13615","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 foliculitis por Malassezia - 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\/de\/pathologie-der-malassezie-follikulitis\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Patolog\u00eda de la foliculitis por Malassezia\" \/>\n<meta property=\"og:description\" content=\"Aspectos Histopatol\u00f3gicos del Diagn\u00f3stico de la Foliculitis por Malassezia En la mayor\u00eda de los casos, la foliculitis causada por levaduras del g\u00e9nero *Malassezia* (anteriormente conocido como *Pityrosporum*) se atribuye a la especie *Malassezia globosa*. 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