{"id":730,"date":"2022-04-07T12:04:00","date_gmt":"2022-04-07T19:04:00","guid":{"rendered":"https:\/\/dev-merck-ml.digitasproject.com\/br\/?post_type=post_thyroid&#038;p=730"},"modified":"2024-11-11T13:56:30","modified_gmt":"2024-11-11T16:56:30","slug":"sobre-o-cancer-de-tireoide","status":"publish","type":"post_thyroid","link":"https:\/\/dev-merck-ml.digitasproject.com\/br\/thyroid\/sobre-o-cancer-de-tireoide\/","title":{"rendered":"Vamos falar sobre c\u00e2ncer de tireoide?"},"content":{"rendered":"\n<h4 class=\"wp-block-heading has-electviolet-color has-text-color\">Na maior parte do mundo, a incid\u00eancia de c\u00e2ncer de tireoide aumentou ao longo das \u00faltimas d\u00e9cadas, mas a boa not\u00edcia \u00e9 que a mortalidade relacionada \u00e0 doen\u00e7a est\u00e1 em decl\u00ednio.<sup>1<\/sup><\/h4>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>O c\u00e2ncer de tireoide \u00e9 classificado em quatro tipos prim\u00e1rios. Conhe\u00e7a-os abaixo:<sup>2<\/sup><\/p>\n\n\n\n<p>&#8211; <strong>O c\u00e2ncer de tireoide papilar<\/strong> \u00e9 o tipo mais comum e corresponde a 70-80% dos casos, podendo ocorrer em qualquer idade. Este tumor apresenta crescimento lento e tem uma tend\u00eancia a se espalhar para os linfonodos do pesco\u00e7o.<sup>2<\/sup><\/p>\n\n\n\n<p>&#8211; <strong>O c\u00e2ncer de tireoide folicular<\/strong> representa cerca de 10% a 15% de todos os c\u00e2nceres de tireoide nos Estados Unidos e pode se espalhar para os linfonodos, fluxo sangu\u00edneo e tecidos mais distantes, incluindo ossos e pulm\u00f5es.<sup>2<\/sup><\/p>\n\n\n\n<p>&#8211; <strong>O c\u00e2ncer de tireoide medular<\/strong> compreende 2% dos casos, 25% desses casos ocorre em fam\u00edlias e est\u00e1 associado a outros tumores end\u00f3crinos. Portanto, familiares de um paciente com c\u00e2ncer de tireoide medular devem ser testados para identificar a presen\u00e7a de muta\u00e7\u00e3o gen\u00e9tica.<sup>2<\/sup><\/p>\n\n\n\n<p>&#8211; <strong>O c\u00e2ncer de tireoide anapl\u00e1stico<\/strong> contabiliza menos de 2% dos casos e \u00e9 o tipo mais agressivo, com menor chances de responder ao tratamento. Este tumor cresce e se espalha rapidamente, portanto \u00e9 de dif\u00edcil tratamento.<sup>2<\/sup><\/p>\n\n\n\n<p><strong>Como o c\u00e2ncer de tireoide \u00e9 diagnosticado?<\/strong><\/p>\n\n\n\n<p>O c\u00e2ncer de tireoide costuma se desenvolver em caro\u00e7os ou n\u00f3dulos sem causar sintomas.<sup>2<\/sup> Os n\u00f3dulos costumam ser detectados, por exemplo, por CT ou ultrassonografia realizados por outros motivos.<sup>2<\/sup> O exame da tireoide \u00e9 realizado pelo ultrassom da tireoide.<sup>2 <\/sup>Um exame microsc\u00f3pico da amostra de tecido obtida por meio de bi\u00f3psia aspirativa com agulha fina mostrar\u00e1 se h\u00e1 c\u00e9lulas cancer\u00edgenas e, caso haja um diagn\u00f3stico positivo, qual \u00e9 tipo de c\u00e2ncer.<sup>2<\/sup><\/p>\n\n\n\n<p>O diagn\u00f3stico do c\u00e2ncer de tireoide \u00e9 um choque e costuma ser acompanhado por uma onda de emo\u00e7\u00f5es, como tristeza, medo, raiva e confus\u00e3o. Saber mais sobre a sua condi\u00e7\u00e3o e o atendimento m\u00e9dico dispon\u00edvel pode ser importante para reduzir o medo e a sensa\u00e7\u00e3o de desamparo. Isso permite que a pessoa participe ativamente do processo de tratamento \u2013 a boa not\u00edcia \u00e9 que o c\u00e2ncer de tireoide pode ser tratado e frequentemente \u00e9 curado.<sup>2<\/sup><\/p>\n\n\n\n<p><strong>Tratamento do c\u00e2ncer de tireoide<\/strong><\/p>\n\n\n\n<p>De acordo com a Associa\u00e7\u00e3o Americana de Tireoide, o tratamento prim\u00e1rio para todas as formas de c\u00e2ncer de tireoide \u00e9 a remo\u00e7\u00e3o parcial ou total da gl\u00e2ndula por cirurgia.<sup>.2<\/sup> Se o tumor j\u00e1 houver se espalhado para os linfonodos no pesco\u00e7o ou no peito, estes linfonodos tamb\u00e9m dever\u00e3o ser removidos.<sup>2<\/sup> Ap\u00f3s a remo\u00e7\u00e3o da tireoide, a pessoa receber\u00e1 medica\u00e7\u00e3o apropriada, que dever\u00e1 ser ingerida permanentemente.<sup>2<\/sup><\/p>\n\n\n\n<p>Caso o tumor seja grande ou tenha se alastrado para outros tecidos, o(a) m\u00e9dico(a) provavelmente receitar\u00e1 a terapia de radioiodo (RAI) ap\u00f3s a cirurgia.<sup>2<\/sup> A RAI ir\u00e1 matar as c\u00e9lulas cancer\u00edgenas remanescentes, mesmo aquelas em tecidos distantes.<sup>2<\/sup> Ao preparar-se para este tratamento, voc\u00ea se tornar\u00e1 hipotireoidico pela interrup\u00e7\u00e3o do tratamento ou com a inje\u00e7\u00e3o de TSH.<sup>2<\/sup> Quanto menos iodo houver no organismo, mais eficaz ser\u00e1 o tratamento.<sup>2<\/sup><\/p>\n\n\n\n<p>Em pacientes com est\u00e1gios avan\u00e7ados de c\u00e2ncer de tireoide, a cirurgia e o tratamento com RAI podem n\u00e3o funcionar. A equipe m\u00e9dica poder\u00e1 propor radioterapia, quimioterapia ou uma combina\u00e7\u00e3o de ambos.<sup>2<\/sup><\/p>\n\n\n\n<p>Ap\u00f3s o tratamento com sucesso, exames de acompanhamento peri\u00f3dico s\u00e3o necess\u00e1rios para verificar se o c\u00e2ncer permaneceu est\u00e1vel. Estas consultas incluir\u00e3o exames f\u00edsicos e de ultrassonografia do pesco\u00e7o, al\u00e9m de exames de sangue. Os exames de sangue mostrar\u00e3o se o corpo est\u00e1 recebendo a quantia correta de tiroxina e ir\u00e3o monitorar a presen\u00e7a de tireoglobulina. Ap\u00f3s a remo\u00e7\u00e3o da tireoide e o tratamento com RAI, o organismo n\u00e3o produzir\u00e1 a prote\u00edna tiroglobulina (produzida somente na tireoide). Caso ela apare\u00e7a em um exame de sangue, isso pode indicar a volta do c\u00e2ncer de tireoide.<sup>2<\/sup><\/p>\n\n\n      <section class=\"reference-content\">\n        <div class=\"ref-header\">\n          <a class=\"collapsed\" data-toggle=\"collapse\" href=\"#collapseExample\" role=\"button\" aria-expanded=\"false\" aria-controls=\"collapseExample\">\n            <i class=\"fas\"><\/i>\n            Refer\u00eancias          <\/a>\n        <\/div>\n        <div class=\"collapse content-collapse\" id=\"collapseExample\">\n          <div class=\"row\">\n            <div class=\"col-12 text-reference\">\n              <ol>\n<li>La Vecchia C, Malvezzi M, Bosetti C, Garavello W, Bertuccio P, Levi F, Negri E. Thyroid cancer mortality and incidence: a global overview. Int J Cancer. 2015 May 1;136(9):2187-95. doi: 10.1002\/ijc.29251. Epub 2014 Oct 13. PMID: 25284703.<\/li>\n<li>American Thyroid Association. Thyroid Cancer. Dispon\u00edvel em: <a href=\"https:\/\/www.thyroid.org\/wp-content\/uploads\/patients\/brochures\/ThyroidCancer_brochure.pdf\">https:\/\/www.thyroid.org\/wp-content\/uploads\/patients\/brochures\/ThyroidCancer_brochure.pdf<\/a>. Acesso em maio de 2024.<\/li>\n<\/ol>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n\n\n<p>BR-EUT-00916 MAIO\/24<\/p>\n\n\n\n<p>Merck Brasil &#8211; Brasil | Avenida das Na\u00e7\u00f5es Unidas, 12.995 &#8211; 31\u00b0 andar, Brooklin Paulista, S\u00e3o Paulo &#8211; SP |<br>CEP: 04578-911 Brasil.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Na maior parte do mundo, a incid\u00eancia de c\u00e2ncer de tireoide aumentou ao longo das \u00faltimas d\u00e9cadas, mas a boa not\u00edcia \u00e9 que a mortalidade relacionada \u00e0 doen\u00e7a est\u00e1 em decl\u00ednio&#8230;<\/p>\n","protected":false},"featured_media":801,"template":"","category_thyroid":[7],"class_list":["post-730","post_thyroid","type-post_thyroid","status-publish","has-post-thumbnail","hentry","category_thyroid-a-tireoide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vamos falar sobre c\u00e2ncer de tireoide? 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