{"id":1375,"date":"2020-11-04T00:56:28","date_gmt":"2020-11-04T00:56:28","guid":{"rendered":"https:\/\/dermatly.com\/mucinosis-papular-persistente-acral\/"},"modified":"2026-03-10T13:48:48","modified_gmt":"2026-03-10T13:48:48","slug":"mucinosi-acrale-persistente-papulare","status":"publish","type":"glossary","link":"https:\/\/dermatly.com\/it\/mucinosis-papular-persistente-acral\/","title":{"rendered":"Muccinosi papulare persistente acrale"},"content":{"rendered":"<section class=\"textBlock\">\n<h1>Entendiendo la Mucinosis Papular Persistente Acral: Definici\u00f3n y Caracter\u00edsticas<\/h1>\n<p>La mucinosis papular persistente acral (MPPA) representa un subtipo espec\u00edfico y localizado del liquen mixedematoso. Se distingue cl\u00ednicamente por la aparici\u00f3n de <span class=\"term\" data-term-id=\"66\">discretas<\/span> <span class=\"term\" data-term-id=\"366\">p\u00e1pulas<\/span> distribuidas principalmente en el dorso de las manos, mu\u00f1ecas y antebrazos. El hallazgo histopatol\u00f3gico clave en una <span class=\"term\" data-term-id=\"24\">biopsia<\/span> cut\u00e1nea revela un dep\u00f3sito de <span class=\"term\" data-term-id=\"1636\">mucina<\/span> en la <span class=\"term\" data-term-id=\"61\">dermis<\/span> [1].<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h2 class=\"colour--primary\">Im\u00e1genes Cl\u00ednicas de Mucinosis Papular Persistente Acral<\/h2>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<figure class=\"imageLinkBlock__item__image\">\n                <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/acral-persistent-papular-mucinosis-01__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Manifestaci\u00f3n cl\u00ednica de Mucinosis Papular Persistente Acral en la piel.\"><figcaption>\n<p class=\"p-small\">Mucinosis papular persistente acral<\/p>\n<\/figcaption><\/figure>\n<figure class=\"imageLinkBlock__item__image\">\n                <img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/acral-persistent-papular-mucinosis-02__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Detalle de p\u00e1pulas asociadas a Mucinosis Papular Persistente Acral.\"><figcaption>\n<p class=\"p-small\">Mucinosis papular persistente acral<\/p>\n<\/figcaption><\/figure>\n<\/p><\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Perfil Epidemiol\u00f3gico: \u00bfQui\u00e9n Desarrolla Mucinosis Papular Persistente Acral?<\/h2>\n<p>La mucinosis papular persistente acral es una condici\u00f3n extremadamente infrecuente. Hasta la fecha, la literatura m\u00e9dica registra solo alrededor de 30 casos documentados a nivel mundial [2].<\/p>\n<p>El padecimiento afecta predominantemente a mujeres, observ\u00e1ndose una proporci\u00f3n de 3:1. La edad media en el momento del diagn\u00f3stico se sit\u00faa alrededor de los 43 a\u00f1os. Si bien la mayor\u00eda de los casos notificados provienen de individuos de ascendencia europea, esta distribuci\u00f3n podr\u00eda reflejar una mayor visibilidad o concienciaci\u00f3n de la MPPA en pa\u00edses occidentales, m\u00e1s que una predisposici\u00f3n \u00e9tnica real [2].<\/p>\n<p>En general, no se ha encontrado un v\u00ednculo <span class=\"term\" data-term-id=\"849\">familiar<\/span> o <span class=\"term\" data-term-id=\"558\">gen\u00e9tico<\/span> claro para la MPPA. No obstante, existe un reporte aislado sobre dos hermanas a las que se les diagnostic\u00f3 esta condici\u00f3n [2].<\/p>\n<p>Adicionalmente, cuatro casos han reportado antecedentes de tumores <span class=\"term\" data-term-id=\"176\">malignos<\/span>, aunque la relevancia cl\u00ednica de esta posible asociaci\u00f3n a\u00fan permanece incierta [2].<\/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>Etiolog\u00eda Desconocida de la Mucinosis Papular Persistente Acral<\/h2>\n<p>Hasta el momento, la causa subyacente que origina la aparici\u00f3n de la mucinosis papular persistente acral sigue siendo un misterio en la dermatolog\u00eda [3].<\/p>\n<h2>Manifestaciones Cl\u00ednicas Cardinales de la MPPA<\/h2>\n<p>La presentaci\u00f3n cl\u00ednica de la mucinosis papular persistente acral se define por las siguientes caracter\u00edsticas distintivas:<\/p>\n<ul>\n<li>Presencia de p\u00e1pulas que var\u00edan de pocas a m\u00faltiples, midiendo entre 2 y 5 mm, con coloraci\u00f3n marfil o similar al tono de la piel y que son <span class=\"term\" data-term-id=\"731\">asintom\u00e1ticas<\/span>.<\/li>\n<li>Ubicaci\u00f3n caracter\u00edstica de las <span class=\"term\" data-term-id=\"2115\">lesiones<\/span>, localizadas prominentemente en la superficie dorsal de las manos, mu\u00f1ecas o antebrazos.<\/li>\n<li>Tendencia a la <span class=\"term\" data-term-id=\"2192\">persistencia<\/span> de las lesiones y, con el tiempo, un posible incremento en el n\u00famero de p\u00e1pulas observadas [4].<\/li>\n<\/ul>\n<p>Es importante destacar que la mucinosis papular persistente acral no ha mostrado asociaci\u00f3n consistente con condiciones como la <span class=\"term\" data-term-id=\"1634\">gammapat\u00eda<\/span> monoclonal o trastornos de la gl\u00e1ndula tiroides.<\/p>\n<\/section>\n<p>otros <span class=\"term\" data-term-id=\"380\">anormalidades sist\u00e9micas<\/span>.<\/p>\n<h2>Complicaciones de la Mucinosis Papular Persistente Acral<\/h2>\n<p>A diferencia de otras variantes del liquen mixedematoso, la mucinosis papular persistente acral se considera un trastorno <span class=\"term\" data-term-id=\"22\">benigno<\/span> que no afecta a otros \u00f3rganos internos [4].<\/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_after4sections_300x250' --><\/p>\n<div style=\"display: none;\" id=\"hidden-div-gpt-ad-1484122037505-9\" 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-1484122037505-9';\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-1484122037505-9\");\n        placeholder.parentNode.replaceChild(inline, placeholder);\n        (function () {\n            googletag.cmd.push(function () {\n                googletag.display('div-gpt-ad-1484122037505-9');\n            });\n        })();\n    }\n<\/script>\n                    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<h2>Diagn\u00f3stico de la Mucinosis Papular Persistente Acral<\/h2>\n<p>El diagn\u00f3stico de la mucinosis papular persistente acral se establece mediante la correlaci\u00f3n de las caracter\u00edsticas cl\u00ednicas con los hallazgos <span class=\"term\" data-term-id=\"474\">histol\u00f3gicos<\/span> obtenidos de una biopsia cut\u00e1nea [3].<\/p>\n<p>Las caracter\u00edsticas histopatol\u00f3gicas clave en una biopsia de piel de mucinosis papular persistente acral incluyen:<\/p>\n<ul>\n<li>Una <span class=\"term\" data-term-id=\"489\">lesi\u00f3n<\/span> <span class=\"term\" data-term-id=\"37\">circunscrita<\/span> y <span class=\"term\" data-term-id=\"164\">focal<\/span>.<\/li>\n<li>Presencia de dep\u00f3sito de mucina limitado a las dermis papilar y media, sin extenderse a la dermis <span class=\"term\" data-term-id=\"1400\"><span class=\"term\" data-term-id=\"257\">reticular<\/span><\/span> profunda.<\/li>\n<li>La presencia de una <span class=\"term\" data-term-id=\"114\">zona de Grenz<\/span> libre de dep\u00f3sito de mucina.<\/li>\n<li>Una <span class=\"term\" data-term-id=\"893\">proliferaci\u00f3n<\/span> <span class=\"term\" data-term-id=\"1597\">fibrobl\u00e1stica<\/span> que puede ser variable o inexistente.<\/li>\n<\/ul>\n<p>Para resaltar la deposici\u00f3n de mucina, se pueden emplear tinciones espec\u00edficas como el azul alci\u00e1n o el hierro coloidal [3].<\/p>\n<h2>Diagn\u00f3stico Diferencial de la Mucinosis Papular Persistente Acral<\/h2>\n<p>Es fundamental distinguir la mucinosis papular persistente acral de otras formas de mucinosis, incluyendo las variantes localizadas del liquen mixedematoso. Estas condiciones a diferenciar son:<\/p>\n<ul>\n<li>Liquen mixedematoso papular discreto: Se manifiesta con unas pocas a cientos de p\u00e1pulas peque\u00f1as predominantemente en extremidades y tronco.<\/li>\n<li>Mucinosis papular <span class=\"term\" data-term-id=\"47\">cut\u00e1nea<\/span> infantil: Caracterizada por m\u00faltiples p\u00e1pulas diminutas localizadas en cuello, extremidades superiores y tronco de lactantes.<\/li>\n<li>Liquen mixedematoso <span class=\"term\" data-term-id=\"733\">nodular<\/span>: Se distingue por numerosos <span class=\"term\" data-term-id=\"367\">n\u00f3dulos<\/span> en el tronco y las extremidades, careciendo del componente papular primario [4].<\/li>\n<\/ul>\n<p>Adem\u00e1s, la mucinosis papular persistente acral debe distinguirse de mucinosis m\u00e1s <span class=\"term\" data-term-id=\"309\">extendidas<\/span>, como el escleromixedema. En el escleromixedema, las lesiones son p\u00e1pulas diseminadas de 2-3 mm dispuestas linealmente, comunes en cabeza, cuello, tronco, antebrazos y muslos, y casi siempre se asocia con gammapat\u00eda [4].<\/p>\n<p>Cuando las p\u00e1pulas se localizan espec\u00edficamente en manos y antebrazos, el diagn\u00f3stico diferencial se ampl\u00eda para incluir diversos trastornos, tales como:<\/p>\n<ul>\n<li><span class=\"term\" data-term-id=\"113\">Granuloma<\/span> anular.<\/li>\n<li>Molusco contagioso.<\/li>\n<li>Acroqueratoelastoidosis, que engloba afecciones como:\n<ul>\n<li>Queratoelastoidosis marginal de las manos.<\/li>\n<li><span class=\"term\" data-term-id=\"1185\">Placas<\/span> de <span class=\"term\" data-term-id=\"368\">col\u00e1geno<\/span> <span class=\"term\" data-term-id=\"1600\">degenerativo<\/span> en la mano [2].<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Tratamiento para la Mucinosis Papular Persistente Acral<\/h2>\n<p>Aunque se han explorado varios tratamientos para la mucinosis papular persistente acral, la mayor\u00eda han mostrado un \u00e9xito limitado o nulo. Las modalidades probadas incluyen:<\/p>\n<ul>\n<li><span class=\"term\" data-term-id=\"2010\">Corticosteroides<\/span> <span class=\"term\" data-term-id=\"1330\">t\u00f3picos<\/span> e intralesionales [2].<\/li>\n<li>Electrocoagulaci\u00f3n [2].<\/li>\n<\/ul>\n<h2>Pron\u00f3stico de la Mucinosis Papular Persistente Acral<\/h2>\n<p>Tal como su nomenclatura lo indica, la mucinosis papular persistente acral es una condici\u00f3n que no tiende a resolverse de manera espont\u00e1nea [1]. Por lo tanto, es crucial considerar opciones de manejo a pesar de su pron\u00f3stico t\u00edpicamente benigno.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Entendiendo la Mucinosis Papular Persistente Acral: Definici\u00f3n y Caracter\u00edsticas La mucinosis papular persistente acral (MPPA) representa un subtipo espec\u00edfico y localizado del liquen mixedematoso. Se distingue cl\u00ednicamente por la aparici\u00f3n de discretas p\u00e1pulas distribuidas principalmente en el dorso de las manos, mu\u00f1ecas y antebrazos. El hallazgo histopatol\u00f3gico clave en una biopsia cut\u00e1nea revela un dep\u00f3sito [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1378,"parent":0,"template":"","glossary-cat":[],"class_list":["post-1375","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>Mucinosis papular persistente acral - 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\/mucinosi-acrale-persistente-papulare\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mucinosis papular persistente acral\" \/>\n<meta property=\"og:description\" content=\"Entendiendo la Mucinosis Papular Persistente Acral: Definici\u00f3n y Caracter\u00edsticas La mucinosis papular persistente acral (MPPA) representa un subtipo espec\u00edfico y localizado del liquen mixedematoso. Se distingue cl\u00ednicamente por la aparici\u00f3n de discretas p\u00e1pulas distribuidas principalmente en el dorso de las manos, mu\u00f1ecas y antebrazos. 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Se distingue cl\u00ednicamente por la aparici\u00f3n de discretas p\u00e1pulas distribuidas principalmente en el dorso de las manos, mu\u00f1ecas y antebrazos. 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