{"id":5828,"date":"2023-06-08T06:30:51","date_gmt":"2023-06-08T09:30:51","guid":{"rendered":"https:\/\/gastropedia.pub\/pt\/?p=5828"},"modified":"2023-05-24T20:51:42","modified_gmt":"2023-05-24T23:51:42","slug":"rastreamento-de-neoplasia-intraepitelial-anal-e-prevencao-de-cancer-de-anus","status":"publish","type":"post","link":"https:\/\/gastropedia.pub\/pt\/cirurgia\/colorretal\/rastreamento-de-neoplasia-intraepitelial-anal-e-prevencao-de-cancer-de-anus\/","title":{"rendered":"Rastreamento de neoplasia intraepitelial anal e preven\u00e7\u00e3o de c\u00e2ncer de \u00e2nus"},"content":{"rendered":"<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-right\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-json\/wp\/v2\/posts\/5828?print=pdf\" class=\"pdfprnt-button pdfprnt-button-pdf\" target=\"_blank\" ><img decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/plugins\/pdf-print\/images\/pdf.png\" alt=\"image_pdf\" title=\"Ver PDF\" \/><\/a><a href=\"https:\/\/gastropedia.pub\/pt\/wp-json\/wp\/v2\/posts\/5828?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\" ><img decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Conte\u00fado de impress\u00e3o\" \/><\/a><\/div>\n<h2 class=\"wp-block-heading\"><strong>Incid\u00eancia de c\u00e2ncer de \u00e2nus e canal anal<\/strong><\/h2>\n\n\n\n<p>O carcinoma espinocelular de \u00e2nus e canal anal possui uma baixa incid\u00eancia na popula\u00e7\u00e3o geral (1-2\/100.000 pessoas-ano). Por\u00e9m, quando associados a fatores de risco como a co-infec\u00e7\u00e3o com o HIV, homens que fazem sexo com homens (HSH), presen\u00e7a de les\u00f5es de alto grau ou carcinoma nos genitais e imunossupress\u00e3o, esse risco pode aumentar consideravelmente:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vinicius.jpg\" data-rel=\"penci-gallery-image-content\" ><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vinicius-1024x720.jpg?v=1684936628\" alt=\"\" class=\"wp-image-5829\" width=\"511\" height=\"359\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vinicius-1024x720.jpg?v=1684936628 1024w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vinicius-300x211.jpg?v=1684936628 300w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vinicius-768x540.jpg?v=1684936628 768w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vinicius-585x412.jpg?v=1684936628 585w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vinicius.jpg?v=1684936628 1160w\" sizes=\"(max-width: 511px) 100vw, 511px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Gr\u00e1fico de incid\u00eancia de c\u00e2ncer de \u00e2nus. Clifford et al (1)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>O c\u00e2ncer de \u00e2nus e canal anal pode ser rastreado com um exame proctol\u00f3gico completo, com inspe\u00e7\u00e3o e toque retal, seguido de anuscopia com bi\u00f3psia em les\u00f5es suspeitas (3). <\/p>\n\n\n\n<p>As les\u00f5es intra-epiteliais anais de alto grau (NIA de alto grau), assim como ocorre no colo do \u00fatero, podem ser identificadas por meio de exames como a citologia onc\u00f3tica ou a genotipagem para HPV de alto risco oncog\u00eanico obtida por meio do esfrega\u00e7o anal (<em>Anal-Pap<\/em>). <\/p>\n\n\n\n<p>Quando esses resultados vierem alterados, o paciente deve ser encaminhado para realiza\u00e7\u00e3o de um exame de anuscopia de alta resolu\u00e7\u00e3o ou anuscopia com magnifica\u00e7\u00e3o de imagem, que se assemelha a um exame de colposcopia da regi\u00e3o do \u00e2nus e do canal anal. Por meio desse exame, \u00e9 poss\u00edvel identificar les\u00f5es suspeitas para NIA de alto grau, que, quando identificadas por meio de uma bi\u00f3psia, devem ser tratadas, por meio de cauteriza\u00e7\u00e3o qu\u00edmica ou eletrocauteriza\u00e7\u00e3o ou com laser de infravermelho (4)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vini1-3.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vini1-3.jpg\" alt=\"\" class=\"wp-image-5835\" width=\"310\" height=\"256\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vini1-3.jpg?v=1684937452 484w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/vini1-3-300x248.jpg?v=1684937452 300w\" sizes=\"(max-width: 310px) 100vw, 310px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Esfrega\u00e7o anal (Anal-PAP) para citologia<\/strong><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3-910x1024.jpg?v=1684937589\" alt=\"\" class=\"wp-image-5837\" width=\"314\" height=\"352\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3-910x1024.jpg?v=1684937589 910w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3-267x300.jpg?v=1684937589 267w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3-768x864.jpg?v=1684937589 768w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3-1170x1316.jpg?v=1684937589 1170w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3-585x658.jpg?v=1684937589 585w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/IMG_6175-3.jpg?v=1684937589 1242w\" sizes=\"(max-width: 314px) 100vw, 314px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Anuscopia de alta resolu\u00e7\u00e3<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>ANCHOR <em>trial<\/em><\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>At\u00e9 recentemente, n\u00e3o havia um grau de evid\u00eancia robusta para se indicar o rastreio e tratamento das les\u00f5es intraepiteliais anais de alto grau como m\u00e9todo de preven\u00e7\u00e3o para o c\u00e2ncer de \u00e2nus e canal anal (2).<\/li>\n\n\n\n<li>Entretanto, em 2022 foi publicado no NEJM os resultados do ANCHOR <em>trial<\/em>, (<strong>A<\/strong>nal <strong>C<\/strong>ancer <strong>H<\/strong>SIL <strong>O<\/strong>utcomes <strong>R<\/strong>esearch) (5) um estudo prospectivo multic\u00eantrico randomizado que avaliou 4446 pessoas que vivem com HIV que foram acompanhadas com exames de citologia e anuscopia de alta resolu\u00e7\u00e3o.<\/li>\n\n\n\n<li>Quando identificadas les\u00f5es intraepiteliais anais de alto grau (NIA 2 p16+ ou NIA3), os participantes foram randomizados em dois grupos: um no qual essas les\u00f5es seriam tratadas e outro no qual essas les\u00f5es seriam acompanhadas a cada 6 meses.<\/li>\n\n\n\n<li>A taxa de progress\u00e3o para c\u00e2ncer de \u00e2nus foi 53% menor no grupo tratado do que no grupo apenas acompanhado (p= 0,03).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/Anchor-Kepler-Meyer.jpg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/Anchor-Kepler-Meyer.jpg\" alt=\"\" class=\"wp-image-5838\" width=\"512\" height=\"330\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/Anchor-Kepler-Meyer.jpg?v=1684937733 792w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/Anchor-Kepler-Meyer-300x193.jpg?v=1684937733 300w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/Anchor-Kepler-Meyer-768x495.jpg?v=1684937733 768w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/05\/Anchor-Kepler-Meyer-585x377.jpg?v=1684937733 585w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Curva Kaplan-Meier da progress\u00e3o de c\u00e2ncer de \u00e2nus &#8211; ANCHOR trial. Palefsky et al (5)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclus\u00e3o<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O c\u00e2ncer de \u00e2nus e canal anal \u00e9 bastante raro e n\u00e3o deve ser rastreado na popula\u00e7\u00e3o em geral.<\/li>\n\n\n\n<li>Sua incid\u00eancia aumenta bastante em certas popula\u00e7\u00f5es como: pessoas que vivem com HIV, homens que fazem sexo com homens, mulheres com hist\u00f3rico de c\u00e2ncer ou les\u00f5es de alto grau nos genitais e doen\u00e7as ou tratamentos que cursem com imunossupress\u00e3o, o que justifica o rastreio nesses grupos.<\/li>\n\n\n\n<li>A identifica\u00e7\u00e3o e o tratamento de les\u00f5es intraepiteliais anais de alto grau em pessoas que vivem com HIV se mostrou eficiente na preven\u00e7\u00e3o do c\u00e2ncer de \u00e2nus e canal anal.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Refer\u00eancias<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Clifford, Gary M., et al. &#8220;A meta\u2010analysis of anal cancer incidence by risk group: toward a unified anal cancer risk scale.&#8221; <em>International journal of cancer<\/em> 148.1 (2021): 38-47.<\/li>\n\n\n\n<li>Stewart, David B., et al. &#8220;The American Society of Colon and Rectal Surgeons clinical practice guidelines for anal squamous cell cancers (revised 2018).&#8221; <em>Diseases of the Colon &amp; Rectum<\/em> 61.7 (2018): 755-774.<\/li>\n\n\n\n<li>Hillman, Richard John, et al. &#8220;International Anal Neoplasia Society guidelines for the practice of digital anal rectal examination.&#8221; <em>Journal of lower genital tract disease<\/em> 23.2 (2019): 138-146.<\/li>\n\n\n\n<li>Hillman, Richard John, et al. &#8220;2016 IANS international guidelines for practice standards in the detection of anal cancer precursors.&#8221; <em>Journal of lower genital tract disease<\/em> 20.4 (2016): 283-291<\/li>\n\n\n\n<li>Palefsky, Joel M., et al. &#8220;Treatment of anal high-grade squamous intraepithelial lesions to prevent anal cancer.&#8221; <em>New England Journal of Medicine<\/em> 386.24 (2022): 2273-2282.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Como citar este artigo<\/strong><\/h2>\n\n\n\n<p class=\"has-background\" style=\"background-color:#ccd9d9\">Ribeiro VL. Rastreamento de neoplasia intrapeitelial anal e preven\u00e7\u00e3o de c\u00e2ncer de \u00e2nus. Gastropedia 2023, vol. 1. Dispon\u00edvel em: <a href=\"https:\/\/gastropedia.pub\/pt\/?p=5828\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/gastropedia.pub\/pt\/sem-categoria\/rastreamento-de-neoplasia-intrapeitelial-anal-e-prevencao-de-cancer-de-anus\/<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Incid\u00eancia de c\u00e2ncer de \u00e2nus e canal anal O carcinoma espinocelular de \u00e2nus e canal anal possui uma baixa incid\u00eancia na popula\u00e7\u00e3o geral (1-2\/100.000 pessoas-ano). Por\u00e9m, quando associados a fatores&hellip;<\/p>\n","protected":false},"author":5682,"featured_media":5835,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[24,26],"tags":[],"ano":[137],"tipo":[121],"volume":[57],"class_list":["post-5828","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cirurgia","category-colorretal","ano-137","tipo-assuntos-gerais","volume-volume-i"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Rastreamento de neoplasia intraepitelial anal e preven\u00e7\u00e3o de c\u00e2ncer de \u00e2nus - Gastropedia<\/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:\/\/gastropedia.pub\/pt\/cirurgia\/colorretal\/rastreamento-de-neoplasia-intraepitelial-anal-e-prevencao-de-cancer-de-anus\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rastreamento de neoplasia intraepitelial anal e preven\u00e7\u00e3o de c\u00e2ncer de \u00e2nus\" \/>\n<meta property=\"og:description\" content=\"Incid\u00eancia de c\u00e2ncer de \u00e2nus e canal anal O carcinoma espinocelular de \u00e2nus e canal anal possui uma baixa incid\u00eancia na popula\u00e7\u00e3o geral (1-2\/100.000 pessoas-ano). 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