{"id":5464,"date":"2015-04-01T23:15:05","date_gmt":"2015-04-01T23:15:05","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/classificacao\/publish-5\/"},"modified":"2021-08-10T01:13:11","modified_gmt":"2021-08-10T01:13:11","slug":"classificacao-de-haggitt","status":"publish","type":"classificacao","link":"https:\/\/endoscopiaterapeutica.net\/pt\/classificacao\/classificacao-de-haggitt\/","title":{"rendered":"Classifica\u00e7\u00e3o de Haggitt"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div id=\"attachment_9194\" style=\"width: 680px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2015\/04\/Captura-de-Tela-2018-07-30-\u00e0s-20.41.27.png\" data-rel=\"penci-gallery-image-content\" ><img fetchpriority=\"high\" decoding=\"async\" aria-describedby=\"caption-attachment-9194\" class=\"wp-image-9194 size-large\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/Captura-de-Tela-2018-07-30-C3A0s-20.41.27.png\" alt=\"\" width=\"670\" height=\"507\" \/><\/a><p id=\"caption-attachment-9194\" class=\"wp-caption-text\">N\u00edveis de invas\u00e3o em um adenoma pedic\u00e9ulado (esquerda) e um adenoma s\u00e9ssil (direita). A \u00e1rea pontilhada representa zonas de carcinoma. Note que a qualquer invas\u00e3o abaixo da muscular da mucosa em uma les\u00e3o s\u00e9ssil representa invas\u00e3o n\u00edvel 4. Em contraste, carcinoma invasivo em um adenoma pediculado (esquerda) deve atravessar uma dist\u00e2ncia consider\u00e1vel antes de alcan\u00e7ar a submucosa da parede intestinal subjacente. A linha pontilhada na cabe\u00e7a do adenoma pediculado representa a zona de invas\u00e3o n\u00edvel 1.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Para as les\u00f5es pediculadas, os n\u00edveis de invas\u00e3o Haggitt \u00a01, 2 e 3 \u00a0(n\u00edvel 0-carcinoma n\u00e3o-invasivo; n\u00edvel 1-invas\u00e3o da cabe\u00e7a do p\u00f3lipo Ip; n\u00edvel 2-invas\u00e3o do colo do p\u00f3lipo Ip; n\u00edvel 3-invas\u00e3o do ped\u00edculo do p\u00f3lipo Ip) correspondem a sm1 e o n\u00edvel 4 (n\u00edvel 4-invas\u00e3o da base do p\u00f3lipo Ip) se subdivide em sm1, sm2 ou sm3. As les\u00f5es s\u00e9sseis s\u00e3o todas consideradas n\u00edvel 4 de Haggitt.\u00a0.<\/p>\n<p>A incid\u00eancia de met\u00e1stases do n\u00edvel 0 a 3 \u00e9 muito pequena e a partir do n\u00edvel 4 (invas\u00e3o de submucosa) \u00e9 que se observam met\u00e1stases linfonodais em at\u00e9 10% dos casos. Acresce ainda que a invas\u00e3o da submucosa at\u00e9 a profundidade de 1000 micr\u00f4metros (sm1) apresenta taxa de met\u00e1stases linfonodais muito baixa.<\/p>\n<p>Uma\u00a0polipectomia pode\u00a0ser considerada tratamento suficiente se for\u00a0assegurada a ressec\u00e7\u00e3o da totalidade da les\u00e3o,se a avalia\u00e7\u00e3o anatomopatol\u00f3gica puder\u00a0ser realizada com seguran\u00e7a, se o carcinoma for bem diferenciado,\u00a0se n\u00e3o apresentar\u00a0invas\u00e3o linf\u00e1tica ou vascular e se a margem de excis\u00e3o estiver livre.<\/p>\n<p>A\u00a0dist\u00e2ncia m\u00ednima requerida entre a margem livre de ressec\u00e7\u00e3o e a les\u00e3o tumoral \u00e9 \u00a0incerta, variando entre 1 e 2 mm conforme as diferentes s\u00e9ries. Por\u00e9m, uma margem inferior a 1 mm \u00e9\u00a0um fator de alto risco de recorr\u00eancia.<\/p>\n<p>Haggitt RC,\u00a0Glotzbach RE, Soffer EE, Wruble LD.\u00a0Prognostic factors in colorectal carcinomas arising in adenomas: implications for lesions removed by endoscopic polypectomy.<em>Gastroenterology<\/em>.\u00a01985;89:328-336.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; Para as les\u00f5es pediculadas, os n\u00edveis de invas\u00e3o Haggitt \u00a01, 2 e&hellip;<\/p>\n","protected":false},"author":5709,"featured_media":5465,"template":"","categoria_de_classificacao":[182],"class_list":["post-5464","classificacao","type-classificacao","status-publish","has-post-thumbnail","hentry","categoria_de_classificacao-colon"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Classifica\u00e7\u00e3o de Haggitt &#8226; Endoscopia Terapeutica<\/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:\/\/endoscopiaterapeutica.net\/pt\/classificacao\/classificacao-de-haggitt\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Classifica\u00e7\u00e3o de Haggitt\" \/>\n<meta property=\"og:description\" content=\"&nbsp; 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