{"id":517,"date":"2021-05-28T20:22:58","date_gmt":"2021-05-28T20:22:58","guid":{"rendered":"https:\/\/drandre.timemarketing.com.br\/?p=517"},"modified":"2021-06-08T23:41:16","modified_gmt":"2021-06-08T23:41:16","slug":"feocromocitoma","status":"publish","type":"post","link":"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/","title":{"rendered":"FEOCROMOCITOMA"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Tumores produtores de subst\u00e2ncias chamadas catecolaminas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Feocromocitomas s\u00e3o tumores produtores de subst\u00e2ncias chamadas catecolaminas (i.e., adrenalina, noradrenalina, dopamina) que se originam na medula adrenal (por\u00e7\u00e3o central das suprarrenais). Quando esse tumor se origina fora da medula adrenal, nos g\u00e2nglios simp\u00e1ticos, \u00e9 chamado de paraganglioma.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"940\" height=\"788\" src=\"https:\/\/drandre.timemarketing.com.br\/wp-content\/uploads\/2021\/05\/medula-adrenal-.png\" alt=\"\" class=\"wp-image-518\" srcset=\"https:\/\/drandre.timemarketing.com.br\/wp-content\/uploads\/2021\/05\/medula-adrenal-.png 940w, https:\/\/drandre.timemarketing.com.br\/wp-content\/uploads\/2021\/05\/medula-adrenal--300x251.png 300w, https:\/\/drandre.timemarketing.com.br\/wp-content\/uploads\/2021\/05\/medula-adrenal--768x644.png 768w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">\u00c9 um tumor raro, com incid\u00eancia estimada em 0,8 casos a cada 100.000 habitantes\/ano<\/span><\/strong>, podendo ocorrer em qualquer faixa et\u00e1ria, mas sendo mais frequente entre a 4\u00aa e 5\u00aa d\u00e9cadas de vida, sem predile\u00e7\u00e3o por sexo. <strong>Aproximadamente 10% desses tumores s\u00e3o malignos<\/strong> e a \u00fanica pista para tal potencial \u00e9 a invas\u00e3o de \u00f3rg\u00e3os e estruturas pr\u00f3ximas (ex: rim, f\u00edgado) ou presen\u00e7a de met\u00e1stases \u00e0 dist\u00e2ncia, que pode ocorrer at\u00e9 20 anos ap\u00f3s a ressec\u00e7\u00e3o.<br><br>A maioria dos feocromocitomas s\u00e3o de ocorr\u00eancia espor\u00e1dica (n\u00e3o relacionados a altera\u00e7\u00f5es gen\u00e9ticas), mas cerca de 30% podem ocorrer como parte de um dist\u00farbio gen\u00e9tico familiar. Nesses casos, os tumores s\u00e3o mais comumente bilaterais e costumam se apresentar em idade mais jovem que os espor\u00e1dicos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">DIAGN\u00d3STICO<\/span><\/strong>:<br>Os tumores espor\u00e1dicos s\u00e3o geralmente diagnosticados com base em sintomas ou mesmo descobertos ao acaso em exames de imagem do abdome realizados por outros motivos (incidentalomas), enquanto que os tumores de origem gen\u00e9tica costumam ser diagnosticados mais precocemente devido a rastreamento de familiares de pacientes acometidos.<br><br>Sintomas est\u00e3o presentes em aproximadamente 50% dos pacientes com feocromocitoma. A tr\u00edade cl\u00e1ssica de sintomas consiste em surtos recorrentes de cefaleia (dor de cabe\u00e7a), sudorese (suor excessivo) e palpita\u00e7\u00f5es. \u00c9 importante ressaltar que a maioria dos pacientes N\u00c3O apresentam todos os sintomas da tr\u00edade cl\u00e1ssica.<br><br>Cerca de metade dos casos tem surtos de eleva\u00e7\u00e3o da press\u00e3o arterial, enquanto os demais t\u00eam hipertens\u00e3o constante ou mesmo podem se apresentar com press\u00e3o arterial normal (5 a 15% dos casos). A dor de cabe\u00e7a ocorre em cerca de 90% dos pacientes sintom\u00e1ticos e a sudorese excessiva em at\u00e9 60 a 70% deles. Outros sintomas poss\u00edveis incluem: tremores, palidez, falta de ar, fraqueza generalizada e sintomas que mimetizam s\u00edndrome do p\u00e2nico.<br><br><strong><span style=\"text-decoration: underline;\">O feocromocitoma deve ser suspeitado sempre que houver alguma das situa\u00e7\u00f5es abaixo:<\/span><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Tr\u00edade cl\u00e1ssica de dor de cabe\u00e7a, sudorese excessiva e palpita\u00e7\u00f5es, com ou sem a presen\u00e7a de hipertens\u00e3o<\/li><li>In\u00edcio de hipertens\u00e3o em uma idade jovem (ex: &lt; 20 anos), hipertens\u00e3o resistente a medicamentos ou hipertens\u00e3o associada a quadro de diabetes at\u00edpico rec\u00e9m-diagnosticado (ex: diagn\u00f3stico recente de diabetes tipo 2 presumido em indiv\u00edduo magro)<\/li><li>S\u00edndrome familiar que predisponha a tumores secretores de catecolaminas (ex: Neoplasia End\u00f3crina M\u00faltipla tipo 2, Neurofibromatose tipo 1, ou Doen\u00e7a de Von-Hippel-Lindau)<\/li><li>Hist\u00f3ria familiar de feocromocitoma<\/li><li>Incidentaloma (n\u00f3dulo) adrenal com ou sem hipertens\u00e3o<\/li><li>Resposta anormal de eleva\u00e7\u00e3o exagerada da press\u00e3o arterial durante anestesia, cirurgia ou angiografia<\/li><li>Cardiomiopatia dilatada idiop\u00e1tica (aumento e disfun\u00e7\u00e3o do cora\u00e7\u00e3o de causa desconhecida)<\/li><li>Hist\u00f3ria de tumor g\u00e1strico estromal ou condroma pulmonar<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A suspeita cl\u00ednica deve ser seguida do rastreamento bioqu\u00edmico da produ\u00e7\u00e3o exagerada de catecolaminas. Os exames mais frequentemente empregados com esse intuito s\u00e3o: catecolaminas urin\u00e1rias fracionadas de 24 horas, metanefrinas urin\u00e1rias fracionadas de 24 horas e dosagem de metanefrinas plasm\u00e1ticas fracionadas.<br><br>O diagn\u00f3stico bioqu\u00edmico deve ser seguido da realiza\u00e7\u00e3o de exames de imagem para localiza\u00e7\u00e3o do tumor. A tomografia computadorizada e a resson\u00e2ncia magn\u00e9tica do abdome s\u00e3o geralmente os m\u00e9todos mais utilizados inicialmente. Se a tomografia e\/ou resson\u00e2ncia forem negativas e a suspeita cl\u00ednica permanecer forte, pode ser solicitada a cintilografia com MIBG (metaiodobenzilguanidina). A cintilografia com MIBG pode detectar tumores n\u00e3o visualizados na tomografia e resson\u00e2ncia ou, ainda, detectar m\u00faltiplos tumores quando esses exames forem positivos. <br>O exame de PET-FDG pode ser \u00fatil em pacientes com feocromocitomas malignos para detec\u00e7\u00e3o de doen\u00e7a metast\u00e1tica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">TRATAMENTO:<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A cirurgia por via videolaparosc\u00f3pica realizada por um cirurgi\u00e3o experiente \u00e9 o m\u00e9todo prim\u00e1rio de tratamento. A cirurgia por via aberta s\u00f3 est\u00e1 indicada em casos selecionados de tumores muito grandes e\/ou invasivos. \u00c9 fundamental que os pacientes sejam preparados para a cirurgia com medicamentos espec\u00edficos de controle da press\u00e3o arterial, conhecido como alfa-bloqueadores. Esses medicamentos s\u00e3o importantes em reduzir as complica\u00e7\u00f5es intra-operat\u00f3rias, tais como crises hipertensivas graves, assim com minimizar o risco de hipotens\u00e3o (queda da press\u00e3o arterial) frequentemente observada ap\u00f3s a retirada do tumor. Pode ser necess\u00e1ria ainda a prescri\u00e7\u00e3o de outros medicamentos para o adequado preparo pr\u00e9-operat\u00f3rio, vari\u00e1vel caso a caso e dependente da avalia\u00e7\u00e3o do endocrinologista especialista, tais como os betabloqueadores (estes nunca devem ser prescritos isoladamente) e\/ou bloqueadores de canal de c\u00e1lcio.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tumores produtores de subst\u00e2ncias chamadas catecolaminas Feocromocitomas s\u00e3o tumores produtores de subst\u00e2ncias chamadas catecolaminas (i.e., adrenalina, noradrenalina, dopamina) que se originam na medula adrenal (por\u00e7\u00e3o central das suprarrenais). Quando esse tumor se origina fora da medula adrenal, nos g\u00e2nglios simp\u00e1ticos, \u00e9 chamado de paraganglioma. \u00c9 um tumor raro, com incid\u00eancia estimada em 0,8 casos a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":519,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[39],"class_list":["post-517","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-adrenais","tag-tumor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FEOCROMOCITOMA - Dr. Andr\u00e9 Faria<\/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:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FEOCROMOCITOMA - Dr. Andr\u00e9 Faria\" \/>\n<meta property=\"og:description\" content=\"Tumores produtores de subst\u00e2ncias chamadas catecolaminas Feocromocitomas s\u00e3o tumores produtores de subst\u00e2ncias chamadas catecolaminas (i.e., adrenalina, noradrenalina, dopamina) que se originam na medula adrenal (por\u00e7\u00e3o central das suprarrenais). Quando esse tumor se origina fora da medula adrenal, nos g\u00e2nglios simp\u00e1ticos, \u00e9 chamado de paraganglioma. \u00c9 um tumor raro, com incid\u00eancia estimada em 0,8 casos a [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/\" \/>\n<meta property=\"og:site_name\" content=\"Dr. Andr\u00e9 Faria\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-28T20:22:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-06-08T23:41:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/drandre.timemarketing.com.br\/wp-content\/uploads\/2021\/05\/medula-adrenal-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"940\" \/>\n\t<meta property=\"og:image:height\" content=\"788\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Guilherme\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Guilherme\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/drandre.timemarketing.com.br\/#website\",\"url\":\"https:\/\/drandre.timemarketing.com.br\/\",\"name\":\"Dr. Andr\u00e9 Faria\",\"description\":\"Endocrinologia \",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/drandre.timemarketing.com.br\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/#primaryimage\",\"url\":\"https:\/\/drandre.timemarketing.com.br\/wp-content\/uploads\/2021\/05\/medula-adrenal-1.png\",\"contentUrl\":\"https:\/\/drandre.timemarketing.com.br\/wp-content\/uploads\/2021\/05\/medula-adrenal-1.png\",\"width\":940,\"height\":788},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/\",\"url\":\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/\",\"name\":\"FEOCROMOCITOMA - Dr. Andr\u00e9 Faria\",\"isPartOf\":{\"@id\":\"https:\/\/drandre.timemarketing.com.br\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/#primaryimage\"},\"datePublished\":\"2021-05-28T20:22:58+00:00\",\"dateModified\":\"2021-06-08T23:41:16+00:00\",\"author\":{\"@id\":\"https:\/\/drandre.timemarketing.com.br\/#\/schema\/person\/7772409f6fe5b404b8848618553cadfd\"},\"breadcrumb\":{\"@id\":\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/drandre.timemarketing.com.br\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"FEOCROMOCITOMA\"}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/drandre.timemarketing.com.br\/#\/schema\/person\/7772409f6fe5b404b8848618553cadfd\",\"name\":\"Guilherme\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/drandre.timemarketing.com.br\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/6a8f6960de1f8ab712c96ec4b76d36a885e3a2c779727e8de05f5ae04e1717e2?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/6a8f6960de1f8ab712c96ec4b76d36a885e3a2c779727e8de05f5ae04e1717e2?s=96&d=mm&r=g\",\"caption\":\"Guilherme\"},\"url\":\"https:\/\/drandre.timemarketing.com.br\/index.php\/author\/guilhermemkt\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"FEOCROMOCITOMA - Dr. Andr\u00e9 Faria","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/drandre.timemarketing.com.br\/index.php\/2021\/05\/28\/feocromocitoma\/","og_locale":"pt_BR","og_type":"article","og_title":"FEOCROMOCITOMA - Dr. Andr\u00e9 Faria","og_description":"Tumores produtores de subst\u00e2ncias chamadas catecolaminas Feocromocitomas s\u00e3o tumores produtores de subst\u00e2ncias chamadas catecolaminas (i.e., adrenalina, noradrenalina, dopamina) que se originam na medula adrenal (por\u00e7\u00e3o central das suprarrenais). 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