<div class="elementor-post__thumbnail elementor-fit-height imagem_injetada" style="margin-bottom:7px; display:none;"><img width="300" height="168" src="https://www.femama.org.br/site_old/_files/noticia/3665/5d0a4dfd8bb00.jpg" class="attachment-medium size-medium" alt=""></div><div class="elementor-post__thumbnail elementor-fit-height imagem_injetada" style="margin-bottom:7px; display:none;"><img width="300" height="168" src="https://www.femama.org.br/site_old/_files/noticia/3665/5d0a4dfd8bb00.jpg" class="attachment-medium size-medium" alt=""></div>{"id":19995,"date":"2019-06-19T00:00:00","date_gmt":"2019-06-19T03:00:00","guid":{"rendered":"https:\/\/femama.org.br\/site_novo\/blog-da-femama\/entenda-a-analise-imunoistoquimica-da-biopsia\/"},"modified":"2019-06-19T00:00:00","modified_gmt":"2019-06-19T03:00:00","slug":"entenda-a-analise-imunoistoquimica-da-biopsia","status":"publish","type":"post","link":"https:\/\/femama.org.br\/site\/blog-da-femama\/entenda-a-analise-imunoistoquimica-da-biopsia\/","title":{"rendered":"Entenda a an\u00e1lise imunoistoqu\u00edmica da bi\u00f3psia"},"content":{"rendered":"<p style=\"text-align: justify;\">Como mencionado no conte&uacute;do que fizemos sobre bi&oacute;psia e exame anatomopatol&oacute;gico, cada laudo &eacute; diferente para cada paciente. Com o tecido retirado da bi&oacute;psia &eacute; poss&iacute;vel fazer uma s&eacute;rie de testes e a an&aacute;lise imunoistoqu&iacute;mica &eacute; um deles. Tudo vai depender do hist&oacute;rico da paciente e da necessidade encontrada pelo m&eacute;dico que a acompanha.<\/p>\n<p style=\"text-align: justify;\">No exame da imunoistoqu&iacute;mica as prote&iacute;nas que podem ou n&atilde;o estar presentes s&atilde;o analisadas, bem como sua quantidade e caracter&iacute;sticas. Isso &eacute; essencial para determinar a estrat&eacute;gia de tratamento para o combate ao c&acirc;ncer de mama. O exame determina:<\/p>\n<p style=\"text-align: justify;\"><strong>1) Receptores hormonais<\/strong><\/p>\n<p style=\"text-align: justify;\">O tumor pode ser horm&ocirc;nio positivo (Estrog&ecirc;nio\/ER+ e\/ou Progesterona\/PR+) ou negativo (Estrog&ecirc;nio\/ER- e\/ou Progesterona\/PR-). Se positivo, o tratamento pode conter hormonioterapia.<\/p>\n<p style=\"text-align: justify;\"><strong>2) HER2<\/strong><\/p>\n<p style=\"text-align: justify;\">O HER2 &eacute; uma prote&iacute;na localizada na membrana das c&eacute;lulas cancerosas que, em alguns casos de c&acirc;ncer de mama, pode aparecer em excesso. Nessa hip&oacute;tese, quando a paciente apresenta resultado com aumento da prote&iacute;na HER2, o tratamento deve, obrigatoriamente, contar com alguma droga que neutralize a ativa&ccedil;&atilde;o da HER2, pois existe uma tend&ecirc;ncia de crescimento mais r&aacute;pido.<\/p>\n<p style=\"text-align: justify;\">O resultado para esse exame &eacute; simples de entender: se der 0 ou +1, o tumor n&atilde;o possui superexpress&atilde;o da prote&iacute;na HER2. Se der +2, o resultado pode ser inconclusivo e &eacute; necess&aacute;rio confirmar com um segundo teste, o FISH. Se der +3, o paciente &eacute; HER2 positivo.<\/p>\n<p style=\"text-align: justify;\"><strong>3) Ki-67<\/strong><\/p>\n<p style=\"text-align: justify;\">&Eacute; um teste que mede a taxa de prolifera&ccedil;&atilde;o das c&eacute;lulas malignas. O exame &eacute; medido por taxas. Tumores com taxa igual ou menor que 10% possuem crescimento lento e igual ou acima de 30% representa alta taxa de crescimento. Entre 10 e 30% &eacute; necess&aacute;rio realizar um teste gen&eacute;tico para melhor verificar.<\/p>\n<p style=\"text-align: justify;\">A an&aacute;lise imunoistoqu&iacute;mica pode contar com outros exames que o m&eacute;dico solicitar, como receptor de andr&oacute;geno, prote&iacute;nas de reparo do DNA etc. Tudo vai depender das caracter&iacute;sticas do tumor da paciente com c&acirc;ncer de mama e da necessidade atestada pelo m&eacute;dico.<\/p>\n<p style=\"text-align: justify;\">&nbsp;<\/p>\n<p style=\"text-align: justify;\"><em>*Este conte&uacute;do foi revisado e validado pelo oncologista Dr. Ricardo Caponero, presidente do Conselho T&eacute;cnico-Cient&iacute;fico da FEMAMA.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Com o tecido retirado da bi&oacute;psia &eacute; poss&iacute;vel fazer uma s&eacute;rie de testes e a an&aacute;lise imunoistoqu&iacute;mica &eacute; um deles.&nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22,26],"tags":[],"class_list":["post-19995","post","type-post","status-publish","format-standard","hentry","category-blog-da-femama","category-enfrentando-o-cancer"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Entenda a an\u00e1lise imunoistoqu\u00edmica da bi\u00f3psia | FEMAMA<\/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:\/\/femama.org.br\/site\/blog-da-femama\/entenda-a-analise-imunoistoquimica-da-biopsia\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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