{"id":18219,"date":"2024-01-09T20:13:55","date_gmt":"2024-01-09T20:13:55","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/?p=18219"},"modified":"2024-02-24T20:21:55","modified_gmt":"2024-02-24T20:21:55","slug":"lesoes-serrilhadas-colorretais-dossie-completo","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/lesoes-serrilhadas-colorretais-dossie-completo\/","title":{"rendered":"Les\u00f5es Serrilhadas Colorretais: Dossi\u00ea Completo!"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-1-introducao\"><strong>1. Introdu\u00e7\u00e3o<\/strong><\/h2>\n\n\n\n<p>O c\u00e2ncer colorretal (CCR) \u00e9 um grande problema de sa\u00fade p\u00fablica, associado a uma alta taxa de morbidade e mortalidade no ocidente. O CCR representa o ponto final de uma ampla gama de altera\u00e7\u00f5es gen\u00e9ticas e epigen\u00e9ticas que ocorrem em c\u00e9lulas colorretais normais.<\/p>\n\n\n\n<p>Estima-se que<strong> aproximadamente 85% dos CCRs se desenvolvem a partir de p\u00f3lipos colorretais.<\/strong> Os p\u00f3lipos adenomatosos e as les\u00f5es serrilhadas s\u00e9sseis (LSS ou SSL em ingl\u00eas) s\u00e3o os precursores mais importantes do CCR. Estima-se que adenomas e LSS estejam presentes em 20% a 50% dos indiv\u00edduos com mais de 50 anos de idade [1].<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-classificacao-da-oms-para-lesoes-serrilhadas-colorretais\"><strong>2. Classifica\u00e7\u00e3o da OMS para Les\u00f5es Serrilhadas Colorretais<\/strong><\/h2>\n\n\n\n<p>At\u00e9 2010, les\u00f5es serrilhadas colorretais eram geralmente consideradas como les\u00f5es inofensivas e relatadas como p\u00f3lipos hiperpl\u00e1sicos (PHs) por patologistas e gastroenterologistas.<\/p>\n\n\n\n<p>Posteriormente, uma variedade de termos foi usada para descrever essas les\u00f5es, contribuindo para mal-entendidos sobre a terminologia e classifica\u00e7\u00e3o das les\u00f5es serrilhadas.<\/p>\n\n\n\n<p>Em 2010, a Organiza\u00e7\u00e3o Mundial da Sa\u00fade (OMS) prop\u00f4s a seguinte classifica\u00e7\u00e3o para les\u00f5es serrilhadas colorretais (4\u00aa edi\u00e7\u00e3o = pen\u00faltima vers\u00e3o at\u00e9 a publica\u00e7\u00e3o deste artigo):<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><div class=\"pcrstb-wrap\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Tipo Histol\u00f3gico<\/strong><\/th><th><strong>Tipo Histol\u00f3gico<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">P\u00f3lipo Hiperpl\u00e1sico (PH)<\/td><td>\u2022 Tipo Microvesicular<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><\/td><td>\u2022 Tipo rico em c\u00e9lulas caliciformes<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><\/td><td>\u2022 Tipo pobre em mucina<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Adenoma\/P\u00f3lipo Serrilhado S\u00e9ssil (SSA\/P)<\/td><td>\u2022 SSA\/P com displasia<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><\/td><td><br>\u2022 SSA\/P sem displasia<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Adenoma Serrilhado Tradicional (TSA)<\/td><td><\/td><\/tr><\/tbody><\/table><\/div><figcaption class=\"wp-element-caption\"><em>Classifica\u00e7\u00e3o das Les\u00f5es Serrilhadas Colorretais (OMS 2010 Antiga 4\u00aa Edi\u00e7\u00e3o)<\/em><\/figcaption><\/figure>\n\n\n\n<p>Em 2019 a OMS atualizou a classifica\u00e7\u00e3o Les\u00f5es serrilhadas colorretais (5\u00aa. Edi\u00e7\u00e3o) [2]. Esta nova classifica\u00e7\u00e3o diferencia les\u00f5es serrilhadas em quatro categorias:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><div class=\"pcrstb-wrap\"><table><thead><tr><th><strong>Tipo Histol\u00f3gico<\/strong><\/th><th><strong>Subtipo Histol\u00f3gico<\/strong><\/th><\/tr><\/thead><tbody><tr><td>P\u00f3lipo Hiperpl\u00e1sico (PH)<\/td><td>\u2022 Tipo Microvesicular<\/td><\/tr><tr><td><\/td><td>\u2022 Tipo rico em c\u00e9lulas caliciformes<\/td><\/tr><tr><td>Les\u00e3o Serrilhada S\u00e9ssil (LSS)<\/td><td>\u2022 LSS<\/td><\/tr><tr><td><\/td><td>\u2022 LSS com displasia (LSSD)<br><\/td><\/tr><tr><td>Adenoma Serrilhado Tradicional (TSA)<\/td><td><\/td><\/tr><tr><td>Adenoma Serrilhado, N\u00e3o Classificado<\/td><td><\/td><\/tr><\/tbody><\/table><\/div><figcaption class=\"wp-element-caption\"><em>Classifica\u00e7\u00e3o das Les\u00f5es Serrilhadas Colorretais (OMS 2019 5\u00aa Edi\u00e7\u00e3o)<\/em><\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-pale-ocean-gradient-background has-background\">A principal mudan\u00e7a na terminologia \u00e9 a aprova\u00e7\u00e3o do novo termo <strong>&#8220;les\u00e3o serrilhada s\u00e9ssil &#8221; (LSS)<\/strong>, que visa adequar as terminologias anteriores confusas &#8220;adenoma s\u00e9ssil serrilhado e p\u00f3lipo s\u00e9ssil serrilhado &#8220;. De fato, o termo &#8220;adenoma&#8221; inclui o conceito de displasia, que n\u00e3o \u00e9 observada em um n\u00famero significativo de LSSs. Agora, quando o patologista observa um padr\u00e3o displ\u00e1sico nas LSSs, deve utilizar a terminologia <strong>&#8220;LSS com displasia&#8221;<\/strong>. Al\u00e9m disso, grande parte das LSSs n\u00e3o apresentam apar\u00eancia polipoide, tornando o termo &#8220;p\u00f3lipo&#8221; inadequado.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-lesoes-serrilhadas-colorretais-caracteristicas-histologicas-e-endoscopicas\"><strong>3. Les\u00f5es Serrilhadas Colorretais: Caracter\u00edsticas Histol\u00f3gicas e Endosc\u00f3picas<\/strong><\/h2>\n\n\n\n<p>Microscopicamente, as les\u00f5es serrilhadas colorretais s\u00e3o caracterizadas pela presen\u00e7a de dobras semelhantes a dentes de serra nas criptas epiteliais [1]. As diferen\u00e7as entre os principais subtipos de les\u00f5es serrilhadas est\u00e3o nas caracter\u00edsticas arquiteturais e na localiza\u00e7\u00e3o\/extens\u00e3o da zona proliferativa.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-1-polipos-hiperplasicos-ph\"><strong>3.1 &#8211; P\u00f3lipos Hiperpl\u00e1sicos (PH)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Os PHs s\u00e3o as les\u00f5es serrilhadas mais comuns, representando cerca de 75% de todos os p\u00f3lipos serrilhados.<\/li>\n\n\n\n<li>Preval\u00eancia estimada em pacientes submetidos a colonoscopias de rastreio \u00e9 de 20\u201330%.<\/li>\n\n\n\n<li>Nos PH, as criptas s\u00e3o retas e alongadas, com uma arquitetura serrilhada confinada aos dois ter\u00e7os superiores das criptas e as c\u00e9lulas mostram m\u00ednima atipia citol\u00f3gica.<\/li>\n\n\n\n<li>Na parte basal da cripta, a arquitetura \u00e9 regular e n\u00e3o serrilhada, e as c\u00e9lulas n\u00e3o apresentam sinais de atipia.<\/li>\n\n\n\n<li>PH s\u00e3o comumente encontrados no c\u00f3lon esquerdo, principalmente no c\u00f3lon retossigmoide, e normalmente t\u00eam menos de 5 mm.<\/li>\n\n\n\n<li>Na endoscopia com luz branca, aparecem como les\u00f5es elevadas ou s\u00e9sseis, \u00e0s vezes cobertas com mucosa normal.<\/li>\n\n\n\n<li>Na cromoendoscopia, s\u00e3o observadas padr\u00e3o de criptas tipo II do tipo estrelado na superf\u00edcie da les\u00e3o.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-3-polipo-hiperplasico_-cripta-tipo-II.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-3-polipo-hiperplasico_-cripta-tipo-II.jpg?v=1703704860\" alt=\"\" class=\"wp-image-18226\" style=\"width:428px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\">P\u00f3lipos s\u00e9sseis hiperpl\u00e1sicos. Na magnifica\u00e7\u00e3o de imagem com filtro de luz observa-se padr\u00e3o de criptas estrelado (tipo II)<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\"><strong>Duas variantes de P\u00f3lipos Hiperpl\u00e1sicos:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>p\u00f3lipos hiperpl\u00e1sicos de tipo microvesicular:<\/strong>\n<ul class=\"wp-block-list\">\n<li>caracterizados pela presen\u00e7a de pequenas got\u00edculas de muco nas c\u00e9lulas<\/li>\n\n\n\n<li>s\u00e3o considerados precursores de LSS.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-1-PHMV.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-1-PHMV.jpeg?v=1703704298\" alt=\"\" class=\"wp-image-18224\" style=\"width:427px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"> P\u00f3lipo hiperpl\u00e1sico microvesicular: serrilhamento presente nas por\u00e7\u00f5es superficiais das criptas, que s\u00e3o recobertas por c\u00e9lulas com citoplasma exibindo vac\u00faolos apicais. N\u00e3o h\u00e1 atipias.<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>p\u00f3lipos hiperpl\u00e1sicos ricos em c\u00e9lulas caliciformes<\/strong>:<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-2-PHC2.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-2-PHC2.jpeg?v=1703704623\" alt=\"\" class=\"wp-image-18225\" style=\"width:426px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\">P\u00f3lipo hiperpl\u00e1sico rico em c\u00e9lulas caliciformes. Observe as criptas alargadas e tortuosas, com c\u00e9lulas caliciformes sem atipias.<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-2-lesoes-sesseis-serrilhadas-lss\"><strong>3.2 &#8211; Les\u00f5es S\u00e9sseis Serrilhadas (LSS)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LSS s\u00e3o o segundo tipo mais comum de les\u00e3o serrilhada e s\u00e3o consideradas les\u00f5es precursoras de CRC. (<a href=\"https:\/\/endoscopiaterapeutica.com.br\/assuntosgerais\/lesoes-sesseis-serrilhadas\/\">Mais detalhes etiopatog\u00eanicos<\/a>)<\/li>\n\n\n\n<li>Preval\u00eancia de LSS na popula\u00e7\u00e3o geral \u00e9 de 5\u201310%.<\/li>\n\n\n\n<li>Geralmente, LSS s\u00e3o maiores que PH, com di\u00e2metro m\u00e9dio entre 5-7 mm, e sua forma \u00e9 plana ou s\u00e9ssil.<\/li>\n\n\n\n<li>Ao contr\u00e1rio dos PH, LSS s\u00e3o mais frequentes no c\u00f3lon direito.<\/li>\n\n\n\n<li>Caracter\u00edstica histol\u00f3gica que distingue LSS de PH \u00e9 a presen\u00e7a de criptas serrilhadas distorcidas.<\/li>\n\n\n\n<li>Para diagn\u00f3stico histol\u00f3gico de LSS, a cripta deve mostrar pelo menos uma das seguintes caracter\u00edsticas:\n<ol class=\"wp-block-list\">\n<li>Crescimento horizontal ao longo da <em>camada muscular da mucosa<\/em>.<\/li>\n\n\n\n<li>Dilata\u00e7\u00e3o da base da cripta.<\/li>\n\n\n\n<li>Serrilhamento se estendendo at\u00e9 a base da cripta.<\/li>\n\n\n\n<li>Prolifera\u00e7\u00e3o assim\u00e9trica.<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Caracter\u00edsticas endosc\u00f3picas:\n<ul class=\"wp-block-list\">\n<li>presen\u00e7a de uma capa de muco<\/li>\n\n\n\n<li>Colora\u00e7\u00e3o p\u00e1lida\/esbranqui\u00e7ada.<\/li>\n\n\n\n<li>Padr\u00e3o de criptas tipo II-O (abertas) na cromoscopia com magnifica\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-4-LSS-1.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-4-LSS-1.jpeg?v=1703705376\" alt=\"\" class=\"wp-image-18228\" style=\"width:455px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\">Les\u00e3o serrilhada s\u00e9ssil. Bases das criptas com crescimento horizontal ao longo da camada muscular da mucosa.<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-3-lesoes-sesseis-serrilhadas-com-displasia-lss-d\"><strong>3.3 &#8211; Les\u00f5es S\u00e9sseis Serrilhadas com Displasia (LSS-D)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>De acordo com seu potencial carcinog\u00eanico conhecido, LSSs podem originar focos displ\u00e1sicos.<\/li>\n\n\n\n<li>Esta entidade histol\u00f3gica, chamada LSSD, representa um subgrupo dos LSSs.<\/li>\n\n\n\n<li>Estima-se que cerca de 4\u20138% dos LSSs cont\u00eam displasia.<\/li>\n\n\n\n<li>Pelo menos tr\u00eas tipos morfol\u00f3gicos diferentes de displasia foram descritos em LSSD:\n<ul class=\"wp-block-list\">\n<li>Displasia intestinal (semelhante a adenoma): rara.<\/li>\n\n\n\n<li>Displasia serrilhada: mais comum.<\/li>\n\n\n\n<li>Displasia de m\u00ednima diverg\u00eancia: poucas altera\u00e7\u00f5es em compara\u00e7\u00e3o com LSS e perda caracter\u00edstica de MLH1.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Endoscopicamente, essas les\u00f5es geralmente apresentam n\u00f3dulos na superf\u00edcie.<\/li>\n\n\n\n<li>Sinais como morfologia (sub)pediculada, eleva\u00e7\u00e3o dupla, depress\u00e3o central e tonalidade avermelhada s\u00e3o sinais suspeitos de displasia. [3]<\/li>\n\n\n\n<li>Na cromoendoscopia com magnifica\u00e7\u00e3o, exibem um padr\u00e3o de pit adenomatoso (Kudo tipo III, IV). [4]<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-style-default\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-6-LSSD1.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" data-id=\"18229\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-6-LSSD1.jpeg?v=1703705625\" alt=\"\" class=\"wp-image-18229\"\/><\/a><figcaption class=\"wp-element-caption\"><em> Les\u00e3o serrilhada s\u00e9ssil com criptas alargadas, dicotomizadas e com crescimento ao longo da camada muscular da mucosa. Nesta \u00e1rea n\u00e3o h\u00e1 displasia.<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-7-LSSD2.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" data-id=\"18230\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-7-LSSD2.jpeg\" alt=\"\" class=\"wp-image-18230\"\/><\/a><figcaption class=\"wp-element-caption\"><em>\u00c1rea de displasia com transi\u00e7\u00e3o bem demarcada em rela\u00e7\u00e3o ao restante da les\u00e3o serrilhada s\u00e9ssil. O serrilhamento \u00e9 mais proeminente, as estruturas est\u00e3o mais pr\u00f3ximas umas das outras e o citoplasma das c\u00e9lulas \u00e9 mais acid\u00f3filo.<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-8-LSSD3.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" data-id=\"18231\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-8-LSSD3.jpeg\" alt=\"\" class=\"wp-image-18231\"\/><\/a><figcaption class=\"wp-element-caption\"><em>Em maior detalhe, os n\u00facleos s\u00e3o hipercrom\u00e1ticos, sobrepostos e as figuras de mitoses s\u00e3o proeminentes.<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-9-aspecto-endoscopico-lss-displasia.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" data-id=\"18232\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-9-aspecto-endoscopico-lss-displasia.jpg?v=1703705869\" alt=\"\" class=\"wp-image-18232\"\/><\/a><figcaption class=\"wp-element-caption\"><em>Aspecto endosc\u00f3pico de LSS com displasia. Note o padr\u00e3o de superf\u00edcie exibindo padr\u00e3o de les\u00e3o adenomatosa.<\/em><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-4-adenoma-serrilhado-tradicional-ast-ou-tsa-em-ingles\"><strong>3.4 &#8211; Adenoma Serrilhado Tradicional (AST ou TSA em ingl\u00eas)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mais frequentes no <strong>c\u00f3lon esquerdo<\/strong>.<\/li>\n\n\n\n<li>S\u00e3o as les\u00f5es serrilhadas mais raras do colorretal com preval\u00eancia de menos de 1%.<\/li>\n\n\n\n<li>Geralmente, AST s\u00e3o maiores que LSS e t\u00eam apar\u00eancia polipoide ou pediculada.<\/li>\n\n\n\n<li>Histologicamente, apresentam arquitetura vilosa distorcida e, em muitos casos, vilosidades com pontas bulbosas.<\/li>\n\n\n\n<li>Tanto a displasia tipo adenoma quanto a displasia serrilhada podem ser observadas nos AST.<\/li>\n\n\n\n<li>O risco e a rapidez de progress\u00e3o para carcinoma s\u00e3o desconhecidos.<\/li>\n\n\n\n<li>Na endoscopia, parecem les\u00f5es avermelhadas, protuberantes ou pediculadas e, macroscopicamente, apresentam aspecto de <strong>&#8220;pinha&#8221;<\/strong> ou <strong>&#8220;coral&#8221;<\/strong>.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/Fig-10-AST1.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/Fig-10-AST1.jpeg?v=1703706120\" alt=\"\" class=\"wp-image-18233\" style=\"width:506px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><em>Adenoma serrilhado tradicional \u2013 proje\u00e7\u00f5es vilosas com serrilhamento da superf\u00edcie<\/em><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-11-AST2.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-11-AST2.jpeg?v=1703706201\" alt=\"\" class=\"wp-image-18234\" style=\"width:512px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><em>Adenoma serrilhado tradicional. As c\u00e9lulas que revestem os vilos s\u00e3o colunares com citoplasma acid\u00f3filo e n\u00facleos ovalados e pseudoestratificados. O serrilhamento da superf\u00edcie ocorre pela presen\u00e7a de criptas ect\u00f3picas.<\/em><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-12-endoscopia-de-AST.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/endoscopiaterapeutica.com.br\/wp-content\/uploads\/2023\/12\/fig-12-endoscopia-de-AST.jpg?v=1703706565\" alt=\"\" class=\"wp-image-18236\" style=\"width:715px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><em>Aspecto endosc\u00f3pico do AST. Les\u00e3o polipoide com aspecto \u201cem pinha\u201d. A \u00faltima imagem pertence a um segundo caso e apresentava um ped\u00edculo curto.&nbsp;<\/em><\/figcaption><\/figure>\n<\/div><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resumo-das-alteracoes\"><strong><strong>Resumo das Altera\u00e7\u00f5es:<\/strong><\/strong><\/h2>\n\n\n\n<ul class=\"has-pale-ocean-gradient-background has-background wp-block-list\">\n<li class=\"has-normal-font-size\">Les\u00e3o serrilhada s\u00e9sseis (LSS) \u00e9 o novo termo para les\u00f5es anteriormente chamadas de adenoma serrilhado s\u00e9ssil (SSA). As diretrizes cl\u00ednicas para o gerenciamento de SSA se aplicam \u00e0 LSS.<\/li>\n\n\n\n<li>LSS com displasia \u00e9 o termo usado para as les\u00f5es anteriormente chamadas de SSA com displasia citol\u00f3gica.<\/li>\n\n\n\n<li>Adenoma serrilhado n\u00e3o classificado foi introduzido para p\u00f3lipos raros dif\u00edceis de classificar como LSS ou TSA.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resumo-dos-criterios-histologicos-para-lesoes-sesseis-e-polipos\"><strong>Resumo dos Crit\u00e9rios Histol\u00f3gicos para Les\u00f5es S\u00e9sseis e P\u00f3lipos:<\/strong><\/h2>\n\n\n\n<ul class=\"has-pale-ocean-gradient-background has-background wp-block-list\">\n<li>Uma \u00fanica cripta distorcida incontest\u00e1vel \u00e9 o suficiente para diagnosticar uma les\u00e3o serrilhada s\u00e9sseis (LSS). A distor\u00e7\u00e3o da arquitetura da cripta pode incluir crescimento horizontal ao longo da <em>muscular da mucosa,<\/em> dilata\u00e7\u00e3o da base da cripta e prolifera\u00e7\u00e3o assim\u00e9trica.<\/li>\n\n\n\n<li>Les\u00f5es\/p\u00f3lipos serrilhados planos sem cripta t\u00edpica do tipo LSS s\u00e3o diagnosticados como p\u00f3lipo hiperpl\u00e1sico (PH) por exclus\u00e3o. Dilata\u00e7\u00e3o sim\u00e9trica leve da cripta e c\u00e9lulas caliciformes na base das criptas n\u00e3o s\u00e3o suficientes para diagn\u00f3stico de LSS.<\/li>\n\n\n\n<li>Estratifica\u00e7\u00e3o em displasia de baixo e alto grau n\u00e3o \u00e9 recomendada.<\/li>\n\n\n\n<li>O diagn\u00f3stico de adenoma serrilhado tradicional (TSA) requer duas das seguintes caracter\u00edsticas: \n<ul class=\"wp-block-list\">\n<li>(1) serrilhamento em forma de fenda;<\/li>\n\n\n\n<li>(2) c\u00e9lulas eosinof\u00edlicas altas com n\u00facleos de l\u00e1pis; <\/li>\n\n\n\n<li>(3) forma\u00e7\u00f5es de criptas ect\u00f3picas.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-referencias\"><strong>Refer\u00eancias:<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Mezzapesa M, Losurdo G, Celiberto F, Rizzi S, d&#8217;Amati A, Piscitelli D, Ierardi E, Di Leo A. Serrated Colorectal Lesions: An Up-to-Date Review from Histological Pattern to Molecular Pathogenesis. Int J Mol Sci. 2022 Apr 18;23(8):4461. doi: 10.3390\/ijms23084461. PMID: 35457279; PMCID: PMC9032676.<\/li>\n\n\n\n<li>WHO Classification of Tumours Editorial Board .&nbsp;<em>WHO Classification of Tumors: DIGESTIVE System Tumours.<\/em>&nbsp;5th ed. International Agency for Research on Cancer; Lyon, France: 2019<\/li>\n\n\n\n<li>Murakami T, Sakamoto N, Ritsuno H, Shibuya T, Osada T, Mitomi H, Yao T, Watanabe S. Distinct endoscopic characteristics of sessile serrated adenoma\/polyp with and without dysplasia\/carcinoma. Gastrointest Endosc. 2017 Mar;85(3):590-600. doi: 10.1016\/j.gie.2016.09.018. Epub 2016 Sep 20. PMID: 27663716.<\/li>\n\n\n\n<li>Tate D.J., Jayanna M., Awadie H., Desomer L., Lee R., Heitman S.J., Sidhu M., Goodrick K., Burgess N.G., Mahajan H., et al. A standardized imaging protocol for the endoscopic prediction of dysplasia within sessile serrated polyps.&nbsp;<em>Gastrointest. Endosc.&nbsp;<\/em>2018;87:222\u2013231. doi:&nbsp;10.1016\/j.gie.2017.06.031.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-como-citar-este-artigo\"><strong>Como citar este artigo<\/strong><\/h2>\n\n\n\n<p>Martins BC e Tanigawa R. Les\u00f5es Serrilhadas Colorretais: Dossi\u00ea Completo. Endoscopia Terapeutica, 2024 vol. 1. Dispon\u00edvel em:&nbsp;<a href=\"https:\/\/endoscopiaterapeutica.com.br\/assuntosgerais\/lesoes-serrilhadas-colorretais-dossie-completo\/(abrir em uma nova aba)\"><\/a><a href=\"https:\/\/endoscopiaterapeutica.com.br\/?p=18223\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/endoscopiaterapeutica.com.br\/assuntosgerais\/lesoes-serrilhadas-colorretais-dossie-completo\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Introdu\u00e7\u00e3o O c\u00e2ncer colorretal (CCR) \u00e9 um grande problema de sa\u00fade p\u00fablica, associado&hellip;<\/p>\n","protected":false},"author":712,"featured_media":18222,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[151],"tags":[743,744],"ano":[742],"tipo":[156],"volume":[263],"class_list":["post-18219","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assuntosgerais","tag-lesao-serrilhada","tag-lss","ano-742","tipo-colonoscopia","volume-volume-i"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Les\u00f5es Serrilhadas Colorretais: Dossi\u00ea Completo! &#8226; Endoscopia Terapeutica<\/title>\n<meta name=\"description\" content=\"Conhe\u00e7a as les\u00f5es serrilhadas colorretais (SSL): os princ\u00edpios que as caracterizam, a poss\u00edvel associa\u00e7\u00e3o com o c\u00e2ncer colorretal, como s\u00e3o classificadas, e mais.\" \/>\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\/assuntosgerais\/lesoes-serrilhadas-colorretais-dossie-completo\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les\u00f5es Serrilhadas Colorretais: Dossi\u00ea Completo!\" \/>\n<meta property=\"og:description\" content=\"1. Introdu\u00e7\u00e3o O c\u00e2ncer colorretal (CCR) \u00e9 um grande problema de sa\u00fade p\u00fablica, associado a uma alta taxa de morbidade e mortalidade no ocidente. 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