{"id":14107,"date":"2020-11-21T05:55:13","date_gmt":"2020-11-21T05:55:13","guid":{"rendered":"https:\/\/dermatly.com\/patologia-del-adenocarcinoma-metastasico\/"},"modified":"2026-03-10T16:59:27","modified_gmt":"2026-03-10T16:59:27","slug":"patologia-di-adenocarcinoma-metastatico","status":"publish","type":"glossary","link":"https:\/\/dermatly.com\/it\/patologia-del-adenocarcinoma-metastasico\/","title":{"rendered":"Patologia dell'adenocarcinoma metastatico"},"content":{"rendered":"
\n

Histolog\u00eda del Adenocarcinoma Metast\u00e1sico en la Piel<\/h1>\n

Al examinar la histolog\u00eda del adenocarcinoma metast\u00e1sico, frecuentemente se observan diversos patrones morfol\u00f3gicos. A baja potencia, es com\u00fan identificar un tumor circoscritta<\/span> que infiltra la derma<\/span> (Figura 1). Macrosc\u00f3picamente, se aprecian cordoni<\/span> y noduli<\/span> compuestos por c\u00e9lulas atipiche<\/span> del epitelio, las cuales se abren paso entre los haces de collagene<\/span> (Figura 2). Estas formaciones pueden exhibir signos de formaci\u00f3n de conductos o ghiandole<\/span> (Figura 3), y ocasionalmente se encuentran incrustadas en un stroma<\/span> mucinoso (Figura 4). En las formas telangiectoides y erisipeloides de las metastasi<\/span> mamarias, puede ser notoria la invasi\u00f3n vascolare<\/span> y linfatica<\/span>.<\/p>\n

\n

Patolog\u00eda del Adenocarcinoma Metast\u00e1sico<\/h2>\n<\/section>\n
\n
\n
\n \"Microscop\u00eda\n <\/div>\n

Figura 1<\/p>\n

\n \"Microscop\u00eda\n <\/div>\n

Figura 2<\/p>\n

\n \"Microscop\u00eda\n <\/div>\n

Figura 3<\/p>\n

\n \"Microscop\u00eda\n <\/div>\n

Figura 4<\/p>\n<\/p><\/div>\n<\/section>\n<\/section>\n

<\/div>\n
\n

Tinciones Especiales y Diagn\u00f3stico Diferencial del Adenocarcinoma Metast\u00e1sico<\/h2>\n

Si bien la correlaci\u00f3n cl\u00ednica y la estadificaci\u00f3n adecuada son irremplazables en la evaluaci\u00f3n oncol\u00f3gica, la immunoistochimica<\/span> (IHQ) ofrece herramientas vitales para sugerir el sitio de origen primario y diferenciar estas lesiones de los cutanee<\/span> annessi<\/span> Tumori primari<\/span>. A continuaci\u00f3n, se exponen las pautas generales de tinci\u00f3n, aunque cabe recordar que estos marcadores nunca son absolutamente espec\u00edficos para el diagnosi differenziale<\/span>:<\/p>\n

    \n
  • P63:<\/strong> Muestra positividad con mayor frecuencia en tumores anexiales primarios cut\u00e1neos.<\/li>\n
  • CK7- \/ CK20 +:<\/strong> Sugiere fuertemente un origen gastrointestinal.<\/li>\n
  • CK7 + \/ CK20-:<\/strong> M\u00e1s sugestivo de un origen pulmonar.<\/li>\n
  • CK7:<\/strong> Una tinci\u00f3n focal puede ser indicativa de un tumor anexial cut\u00e1neo primario, en contraste con una tinci\u00f3n fuerte y diffusa<\/span> que sugiere adenocarcinoma metast\u00e1sico.<\/li>\n
  • CK 5\/6:<\/strong> La tinci\u00f3n negativa se observa con relativa poca frecuencia en tumores cut\u00e1neos primarios.<\/li>\n
  • CDX2:<\/strong> Su positividad indica un origen gastrointestinal potencial.<\/li>\n
  • Villin:<\/strong> Orientaci\u00f3n hacia un origen gastrointestinal, pancre\u00e1tico o e dell'intestino.<\/span>.<\/li>\n
  • ER, PR y GCDFP:<\/strong> Estos marcadores favorecen el origen mamario. Es crucial notar que todos pueden expresarse en lesiones primarias de anexos y, adem\u00e1s, las lesioni<\/span> metast\u00e1sicas pueden experimentar p\u00e9rdida de esta capacidad de tinci\u00f3n.<\/li>\n
  • Mammaglobina:<\/strong> La tinci\u00f3n difusa apunta hacia una met\u00e1stasis de origen mamario, aunque la positividad dispersa puede observarse en tumores primarios de anexos cut\u00e1neos.<\/li>\n
  • PSA y \u00e1cido prost\u00e1tico fosfatasi<\/span> (PAP):<\/strong> Apoyan un origen prost\u00e1tico para la met\u00e1stasis.<\/li>\n
  • Podoplanina (D240):<\/strong> La tinci\u00f3n negativa suele sugerir una lesione<\/span> que no es una met\u00e1stasis de linfangiosarcoma (aunque el contexto es adenocarcinoma, este marcador se usa cl\u00e1sicamente en ese diferencial).<\/li>\n<\/ul>\n

    La interpretaci\u00f3n cuidadosa de estos perfiles inmunohistoqu\u00edmicos, en correlaci\u00f3n con la morfolog\u00eda celular y el contexto cl\u00ednico del paciente, es esencial para establecer un diagn\u00f3stico definitivo e iniciar el tratamiento oncol\u00f3gico apropiado.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"

    Histolog\u00eda del Adenocarcinoma Metast\u00e1sico en la Piel Al examinar la histolog\u00eda del adenocarcinoma metast\u00e1sico, frecuentemente se observan diversos patrones morfol\u00f3gicos. A baja potencia, es com\u00fan identificar un tumor circunscrito que infiltra la dermis (Figura 1). Macrosc\u00f3picamente, se aprecian cordones y n\u00f3dulos compuestos por c\u00e9lulas at\u00edpicas del epitelio, las cuales se abren paso entre los haces […]<\/p>\n","protected":false},"author":1,"featured_media":14112,"parent":0,"template":"","glossary-cat":[],"class_list":["post-14107","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nPatolog\u00eda del adenocarcinoma metast\u00e1sico - 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-di-adenocarcinoma-metastatico\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Patolog\u00eda del adenocarcinoma metast\u00e1sico\" \/>\n<meta property=\"og:description\" content=\"Histolog\u00eda del Adenocarcinoma Metast\u00e1sico en la Piel Al examinar la histolog\u00eda del adenocarcinoma metast\u00e1sico, frecuentemente se observan diversos patrones morfol\u00f3gicos. A baja potencia, es com\u00fan identificar un tumor circunscrito que infiltra la dermis (Figura 1). Macrosc\u00f3picamente, se aprecian cordones y n\u00f3dulos compuestos por c\u00e9lulas at\u00edpicas del epitelio, las cuales se abren paso entre los haces […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dermatly.com\/it\/patologia-di-adenocarcinoma-metastatico\/\" \/>\n<meta property=\"og:site_name\" content=\"Dermatly.com - El sitio de tu piel\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-10T16:59:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/figure1metastaticadeno__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd-2705924.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"294\" \/>\n\t<meta property=\"og:image:height\" content=\"222\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dermatly.com\/patologia-del-adenocarcinoma-metastasico\/\",\"url\":\"https:\/\/dermatly.com\/patologia-del-adenocarcinoma-metastasico\/\",\"name\":\"Patolog\u00eda del adenocarcinoma metast\u00e1sico - 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