{"id":1722,"date":"2018-06-18T08:00:26","date_gmt":"2018-06-18T08:00:26","guid":{"rendered":"http:\/\/www.cirugiaginecologica.net\/?p=1722"},"modified":"2018-10-31T22:26:29","modified_gmt":"2018-10-31T22:26:29","slug":"la-prueba-inmunohistoquimica","status":"publish","type":"post","link":"https:\/\/www.cirugiaginecologica.net\/?p=1722","title":{"rendered":"La prueba de inmunohistoqu\u00edmica\u2026\u00bfqu\u00e9 informaci\u00f3n me provee?"},"content":{"rendered":"<p>La prueba de inmunohistoqu\u00edmica es un proceso de te\u00f1ido realizado sobre tejido fresco o congelado de c\u00e1ncer de mama removido durante una biopsia.<\/p>\n<h6>El an\u00e1lisis de la prueba inmunohistoqu\u00edmica<\/h6>\n<p>Esta prueba es utilizada para saber si las c\u00e9lulas cancer\u00edgenas muestran HER2 receptores y\/o receptores hormonales en su superficie.\u00a0\u00a0 Esta informaci\u00f3n juega un rol cr\u00edtico en la planificaci\u00f3n del tratamiento de la paciente. Se aplica esta prueba para determinar si el tumor tiene muchos receptores HER2 lo que significar\u00eda que las c\u00e9lulas reciben muchas se\u00f1ales que les indican que deben crecer y dividirse.<\/p>\n<p>Esta prueba da una calificaci\u00f3n de 0 a 3+ que mide la cantidad de HER2 en la superficie. Si la calificaci\u00f3n es de 0 a 1+, se le llama HER2 negativo. En el caso de que la calificaci\u00f3n sea 2+, se le llama lim\u00edtrofe y si la calificaci\u00f3n es 3+ se le llama HER2 positivo.<\/p>\n<h6>La prueba inmunohistoqu\u00edmica y los receptores hormonales<\/h6>\n<p>La mayor\u00eda de los an\u00e1lisis de laboratorio emplean el procedimiento de coloraci\u00f3n con tinta de la prueba de inmunohistoqu\u00edmica para que aparezcan los receptores de hormonas en las c\u00e9lulas del tejido canceroso de la mama. Si hay receptores de hormonas, esto significa que el crecimiento de las c\u00e9lulas cancerosas est\u00e1 estimulado por las hormonas femeninas estr\u00f3geno o progesterona.<\/p>\n<p>El c\u00e1ncer probablemente responda bien a hormonoterapias como tamoxifeno e inhibidores de la aromatasa, que bloquean la acci\u00f3n del estr\u00f3geno o disminuye los niveles de estr\u00f3geno del cuerpo.<\/p>\n<p>No todos los laboratorios usan el mismo m\u00e9todo para analizar los resultados del an\u00e1lisis, y no informan los resultados de id\u00e9ntica forma. De modo que, cuando recibas tus resultados, puedes encontrarte con lo siguiente:<\/p>\n<ul>\n<li>Un porcentaje que indica cu\u00e1ntas c\u00e9lulas de 100 presentan receptores de hormonas. Ver\u00e1s un n\u00famero entre 0\u00a0% (ninguna tiene receptores) y 100\u00a0% (todas tienen receptores).<\/li>\n<li>El t\u00e9rmino \u201cpositivo\u201d o \u201cnegativo\u201d.<\/li>\n<\/ul>\n<p>Dependiendo del resultado, los m\u00e9dicos recomendar\u00e1n los medicamentos para el tratamiento.<\/p>\n<p>Julio Godoy Byerly<\/p>\n<p>Ginec\u00f3logo Onc\u00f3logo<\/p>\n<p class=\"p1\"><span class=\"s1\"><span class=\"buton b_blue Write buton-1 or ...buton-6 buton-null\"><a href=\"\/hacer-una-cita\/\">Hacer una Cita<\/a><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La prueba de inmunohistoqu\u00edmica es un proceso de te\u00f1ido realizado sobre tejido fresco o congelado de c\u00e1ncer de mama removido durante una biopsia. El an\u00e1lisis de la prueba inmunohistoqu\u00edmica Esta prueba es utilizada para saber si las c\u00e9lulas cancer\u00edgenas muestran HER2 receptores y\/o receptores hormonales en su superficie.\u00a0\u00a0 Esta informaci\u00f3n juega un rol cr\u00edtico en la planificaci\u00f3n del tratamiento de la paciente. Se aplica esta prueba para determinar si el tumor tiene muchos receptores HER2 lo que significar\u00eda que las c\u00e9lulas reciben muchas se\u00f1ales que les indican que deben crecer [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1724,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,39],"tags":[],"class_list":["post-1722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cancer-de-mama","category-salud"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"La prueba de inmunohistoqu\u00edmica es utilizada para saber si las c\u00e9lulas cancer\u00edgenas muestran HER2 receptores y\/o receptores hormonales en su superficie\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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