{"id":21694,"date":"2026-07-28T07:00:00","date_gmt":"2026-07-28T07:00:00","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/?p=21694"},"modified":"2026-07-27T23:50:39","modified_gmt":"2026-07-27T23:50:39","slug":"aquisicao-tecidual-guiada-ecoendoscopia","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/aquisicao-tecidual-guiada-ecoendoscopia\/","title":{"rendered":"Aquisi\u00e7\u00e3o de tecido na Ecoendoscopia \u2013 o que diz o guideline da ESGE"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/?attachment_id=21695\"><img fetchpriority=\"high\" decoding=\"async\" width=\"834\" height=\"579\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/Puncao-guiada-por-ecoendoscopia.jpg\" alt=\"\" class=\"wp-image-21695\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/Puncao-guiada-por-ecoendoscopia.jpg?v=1784060299 834w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/Puncao-guiada-por-ecoendoscopia-300x208.jpg?v=1784060299 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/Puncao-guiada-por-ecoendoscopia-768x533.jpg?v=1784060299 768w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/Puncao-guiada-por-ecoendoscopia-585x406.jpg?v=1784060299 585w\" sizes=\"(max-width: 834px) 100vw, 834px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>Figura 1 \u2013 Pun\u00e7\u00e3o guiada por ecoendoscopia &#8211; Fonte arquivo pessoal<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O desenvolvimento tecnol\u00f3gico em ecoendoscopia cresceu exponencialmente nas \u00faltimas d\u00e9cadas. A realiza\u00e7\u00e3o de pun\u00e7\u00f5es ecoguiadas, iniciada na d\u00e9cada de 90, abriu espa\u00e7o tanto para a obten\u00e7\u00e3o de amostras para terapia oncol\u00f3gica direcionada quanto para o desenvolvimento de t\u00e9cnicas de ecoendoscopia terap\u00eautica. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em 2025, a <a href=\"https:\/\/www.thieme-connect.com\/products\/ejournals\/abstract\/10.1055\/a-2524-2596\">ESGE publicou diretrizes atualizadas<\/a> sobre os aspectos t\u00e9cnicos da\u00a0aquisi\u00e7\u00e3o tecidual guiada por ecoendoscopia. O documento aborda a sele\u00e7\u00e3o de agulhas, as t\u00e9cnicas de amostragem, os m\u00e9todos de avalia\u00e7\u00e3o imediata da amostra e abordagens espec\u00edficas para les\u00f5es c\u00edsticas pancre\u00e1ticas e les\u00f5es subepiteliais.<\/p>\n\n\n\n<h2 id=\"h-imagem-avancada\" class=\"wp-block-heading\"><br><strong>Imagem Avan\u00e7ada<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Embora a\u00a0ecoendoscopia com contraste harm\u00f4nico (CH-EUS)\u00a0auxilie na identifica\u00e7\u00e3o das melhores \u00e1reas-alvo, evitando regi\u00f5es necr\u00f3ticas e vasos sangu\u00edneos, estudos cl\u00ednicos randomizados (RCTs) demonstram que ela n\u00e3o apresenta desempenho significativamente superior ao da EUS em modo B na acur\u00e1cia diagn\u00f3stica rotineira de les\u00f5es s\u00f3lidas pancre\u00e1ticas. Assim, a ESGE recomenda condicionalmente <strong>equival\u00eancia entre o modo B e a CH-EUS <\/strong>para a aquisi\u00e7\u00e3o rotineira de tecido. Da mesma forma, embora a\u00a0elastografia\u00a0permita identificar a rigidez dos tecidos, as evid\u00eancias atuais n\u00e3o demonstram benef\u00edcio adicional em rela\u00e7\u00e3o \u00e0 pun\u00e7\u00e3o convencional guiada por EUS para direcionamento de massas pancre\u00e1ticas.<\/p>\n\n\n\n<h2 id=\"h-recomendacoes-para-selecao-de-agulhas\" class=\"wp-block-heading\"><br><strong>Recomenda\u00e7\u00f5es para Sele\u00e7\u00e3o de Agulhas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A revis\u00e3o destaca uma mudan\u00e7a importante da pun\u00e7\u00e3o aspirativa por agulha fina (FNA) para a&nbsp;bi\u00f3psia por agulha fina (FNB)&nbsp;nas les\u00f5es s\u00f3lidas.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Les\u00f5es s\u00f3lidas pancre\u00e1ticas:<\/strong>\u00a0A ESGE\u00a0recomenda fortemente o uso de <strong>agulhas FNB de corte frontal (end-cutting)<\/strong>, como os modelos\u00a0Franseen\u00a0ou\u00a0fork-tip, em vez de agulhas FNB de bisel reverso ou agulhas FNA. A FNA permanece uma op\u00e7\u00e3o apenas quando h\u00e1 disponibilidade de\u00a0avalia\u00e7\u00e3o r\u00e1pida no local (ROSE).<\/li>\n\n\n\n<li><strong>Pancreatite autoimune:<\/strong>&nbsp;Sugere-se o uso de&nbsp;agulhas FNB de corte frontal, capazes de obter fragmentos histol\u00f3gicos de alta qualidade, essenciais para esse diagn\u00f3stico desafiador.<\/li>\n\n\n\n<li><strong>Les\u00f5es subepiteliais:<\/strong>\u00a0Para <strong>les\u00f5es \u226520 mm<\/strong>, recomenda-se \u00a0EUS-FNB e bi\u00f3psia assistida por incis\u00e3o da mucosa (MIAB)\u00a0como alternativas equivalentes. Para <strong>les\u00f5es menores (&lt;20 mm)<\/strong>, a MIAB pode ser a primeira escolha quando houver experi\u00eancia local.<\/li>\n\n\n\n<li><strong>Linfonodos:<\/strong>&nbsp;A diretriz sugere o uso de&nbsp;agulhas FNB de corte frontal, em vez de agulhas FNA ou de bisel reverso.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-aspectos-tecnicos-da-amostragem\" class=\"wp-block-heading\"><br><strong>Aspectos T\u00e9cnicos da Amostragem<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Determinadas manobras e t\u00e9cnicas de aspira\u00e7\u00e3o desempenham papel importante na otimiza\u00e7\u00e3o da qualidade da amostra.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00e9cnica de fanning:<\/strong>&nbsp;A ESGE&nbsp;recomenda fortemente&nbsp;essa t\u00e9cnica, pois ela aumenta a acur\u00e1cia diagn\u00f3stica ao permitir a coleta de material de m\u00faltiplas \u00e1reas da les\u00e3o em uma \u00fanica passagem da agulha.<\/li>\n\n\n\n<li><strong>M\u00e9todos de aspira\u00e7\u00e3o:<\/strong>&nbsp;Para FNB de massas pancre\u00e1ticas, as t\u00e9cnicas&nbsp;<strong>wet suction<\/strong>&nbsp;(aspira\u00e7\u00e3o \u00famida) e&nbsp;<strong>slow pull <\/strong>(retirada lenta do estilete) s\u00e3o igualmente recomendadas. Ambas proporcionam elevada integridade do tecido e&nbsp;reduzem a contamina\u00e7\u00e3o por sangue&nbsp;em compara\u00e7\u00e3o com a aspira\u00e7\u00e3o convencional a seco.<\/li>\n\n\n\n<li><strong>N\u00famero de passagens:<\/strong>&nbsp;Ao utilizar agulhas FNB de corte frontal,&nbsp;<strong>duas passagens<\/strong>&nbsp;costumam ser suficientes. Para agulhas de bisel reverso, recomendam-se&nbsp;<strong>tr\u00eas passagens<\/strong>, enquanto as agulhas FNA exigem pelo menos&nbsp;<strong>quatro passagens<\/strong>&nbsp;quando o ROSE n\u00e3o est\u00e1 dispon\u00edvel.<\/li>\n\n\n\n<li><strong>Momento do procedimento:<\/strong>\u00a0Em pacientes ict\u00e9ricos com les\u00f5es da cabe\u00e7a do p\u00e2ncreas, a pun\u00e7\u00e3o ecoguiada deve ser realizada, idealmente,\u00a0<strong>antes da CPRE (ERCP)<\/strong>, especialmente quando houver previs\u00e3o de coloca\u00e7\u00e3o de pr\u00f3teses met\u00e1licas autoexpans\u00edveis (SEMS), uma vez que essas pr\u00f3teses podem reduzir a acur\u00e1cia diagn\u00f3stica.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/?attachment_id=21696\"><img decoding=\"async\" width=\"896\" height=\"598\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/aquisicao-de-tecido-por-EUS.png\" alt=\"Aquisi\u00e7\u00e3o tecidual guiada por ecoendoscopia- Resumo pr\u00e1tico\" class=\"wp-image-21696\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/aquisicao-de-tecido-por-EUS.png 896w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/aquisicao-de-tecido-por-EUS-300x200.png 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/aquisicao-de-tecido-por-EUS-768x513.png 768w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/aquisicao-de-tecido-por-EUS-585x390.png 585w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/07\/aquisicao-de-tecido-por-EUS-263x175.png 263w\" sizes=\"(max-width: 896px) 100vw, 896px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>Figura 2 \u2013 Infogr\u00e1fico sobre aquisi\u00e7\u00e3o tecidual guiada por ecoendoscopia (elaborado com aux\u00edlio do ChatGPT, OpenAI, 2026). Conte\u00fado revisado pela autora.<\/figcaption><\/figure>\n\n\n\n<h2 id=\"h-avaliacao-imediata-da-amostra-e-novas-tecnologias\" class=\"wp-block-heading\"><br><strong>Avalia\u00e7\u00e3o Imediata da Amostra e Novas Tecnologias<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ROSE:<\/strong>&nbsp;\u00c9 recomendada especificamente para procedimentos de&nbsp;<strong>EUS-FNA<\/strong>. N\u00e3o \u00e9 necess\u00e1ria para&nbsp;<strong>EUS-FNB<\/strong>&nbsp;de les\u00f5es s\u00f3lidas pancre\u00e1ticas ou les\u00f5es subepiteliais quando se utilizam agulhas de corte frontal.<\/li>\n\n\n\n<li><strong>MOSE:<\/strong>\u00a0A ESGE\u00a0<strong>recomenda fortemente a avalia\u00e7\u00e3o macrosc\u00f3pica imediata da amostra (MOSE)<\/strong>\u00a0durante a EUS-FNB de massas pancre\u00e1ticas. Nessa t\u00e9cnica, o endoscopista confirma visualmente a presen\u00e7a de um <strong>fragmento de tecido (\u22654 mm)<\/strong>, permitindo elevada acur\u00e1cia diagn\u00f3stica com menor n\u00famero de passagens.<\/li>\n\n\n\n<li><strong>Ferramentas digitais:<\/strong>&nbsp;A&nbsp;<strong>microscopia confocal a laser por fluoresc\u00eancia (FCM)<\/strong>&nbsp;\u00e9 uma tecnologia emergente para histologia digital em tempo real de esp\u00e9cimes rec\u00e9m-obtidos. Entretanto, seu elevado custo ainda limita a ampla utiliza\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-lesoes-cisticas-pancreaticas\" class=\"wp-block-heading\"><br><strong>Les\u00f5es C\u00edsticas Pancre\u00e1ticas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O diagn\u00f3stico e a estratifica\u00e7\u00e3o de risco das les\u00f5es c\u00edsticas pancre\u00e1ticas continuam sendo um desafio.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>An\u00e1lise do l\u00edquido c\u00edstico:<\/strong>\u00a0A ESGE sugere a dosagem de\u00a0<strong>glicose<\/strong> em vez do ant\u00edgeno carcinoembrion\u00e1rio (CEA) no l\u00edquido c\u00edstico para o diagn\u00f3stico de cistos mucinosos, pois a glicose apresenta maior sensibilidade e menor custo.<\/li>\n\n\n\n<li><strong>Ferramentas avan\u00e7adas:<\/strong>&nbsp;A&nbsp;bi\u00f3psia com f\u00f3rceps atrav\u00e9s da agulha e a&nbsp;endomicroscopia confocal a laser baseada em agulha s\u00e3o sugeridas em centros especializados quando seus resultados tiverem potencial para modificar a conduta cl\u00ednica. Entretanto, a bi\u00f3psia com f\u00f3rceps deve ser evitada em cistos com comunica\u00e7\u00e3o com o ducto pancre\u00e1tico devido ao maior risco de eventos adversos graves, especialmente pancreatite.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-seguranca-e-antibioticoprofilaxia\" class=\"wp-block-heading\"><br><strong>Seguran\u00e7a e Antibioticoprofilaxia<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Em contraste com diretrizes anteriores, a ESGE\u00a0<strong>recomenda contra o uso rotineiro de antibioticoprofilaxia <\/strong>antes da coleta de amostras guiada por EUS, tanto em massas s\u00f3lidas quanto em les\u00f5es c\u00edsticas pancre\u00e1ticas, desde que o cisto seja completamente aspirado, pelo risco de infec\u00e7\u00e3o ter se demonstrado muito baixo (inferior a 1%) nos trabalhos avaliados.<\/p>\n\n\n\n<h2 id=\"h-processamento-das-amostras\" class=\"wp-block-heading\"><br><strong>Processamento das Amostras<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>A escolha do m\u00e9todo de processamento (esfrega\u00e7os citol\u00f3gicos, citologia em meio l\u00edquido ou&nbsp;<em>cell block<\/em>) deve ser individualizada de acordo com o tipo de agulha utilizada e a experi\u00eancia do servi\u00e7o. A&nbsp;fixa\u00e7\u00e3o em formol&nbsp;\u00e9 o m\u00e9todo ideal para fragmentos histol\u00f3gicos (&gt;2 mm) obtidos por FNB, pois preserva a arquitetura tecidual para estudos de imuno-histoqu\u00edmica e&nbsp;an\u00e1lises moleculares\/gen\u00f4micas, cada vez mais importantes na oncologia personalizada.<\/p>\n\n\n\n<h2 id=\"h-referencias\" class=\"wp-block-heading\"><br><strong>Refer\u00eancias:<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Facciorusso A, Arvanitakis M, Crin\u00f2 SF et al. Endoscopic ultrasound-guided tissue sampling: European Society of Gastrointestinal Endoscopy (ESGE) Technical and Technology Review. Endoscopy. 2025 Apr;57(4):390-418. doi: 10.1055\/a-2524-2596.<\/li>\n\n\n\n<li>Mishra G, Lennon AM, Pausawasdi N et al. Quality Indicators for EUS. American Journal of Gastroenterology. 2025 May;120(5):p\u00a0973-992.\u00a0\u00a0doi:\u00a010.14309\/ajg.0000000000003490<\/li>\n\n\n\n<li>Gkolfakis P, Crin\u00f2 SF, Tziatzios G, et al. Comparative diagnostic performance of end-cutting fine-needle biopsy needles for EUS tissue sampling of solid pancreatic masses: a network meta-analysis. Gastrointest Endosc. 2022 Jun;95(6):1067-1077.e15. doi: 10.1016\/j.gie.2022.01.019.<\/li>\n\n\n\n<li>Mohan BP, Madhu D, Reddy N et al. Diagnostic accuracy of EUS-guided fine-needle biopsy sampling\u00a0by macroscopic on-site evaluation: a systematic review and meta-analysis. Gastrointest Endosc. 2022 Dec;96(6):909-917.e11. doi: 10.1016\/j.gie.2022.07.026. Epub 2022 Aug 3. PMID: 35932815.<\/li>\n<\/ol>\n\n\n\n<h2 id=\"h-como-citar-este-artigo\" class=\"wp-block-heading\"><strong>Como citar este artigo<\/strong><\/h2>\n\n\n\n<p class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background wp-block-paragraph\">Logiudice FP. Aquisi\u00e7\u00e3o de tecido na Ecoendoscopia \u2013 o que diz o guideline da ESGE. Endoscopia Terapeutica 2026 Vol II. Dispon\u00edvel em: <a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/?p=21694\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/aquisicao-de-tecido-na-ecoendoscopia-o-que-diz-o-guideline-da-esge\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O desenvolvimento tecnol\u00f3gico em ecoendoscopia cresceu exponencialmente nas \u00faltimas d\u00e9cadas. A realiza\u00e7\u00e3o de pun\u00e7\u00f5es&hellip;<\/p>\n","protected":false},"author":5752,"featured_media":21696,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[142,151],"tags":[356,409,879,880],"ano":[847],"tipo":[154],"volume":[147],"class_list":["post-21694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-artigoscomentados","category-assuntosgerais","tag-ecoendoscopia","tag-eus","tag-eus-fnb","tag-eus-ta","ano-847","tipo-ecoendoscopia","volume-volume-ii"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Aquisi\u00e7\u00e3o Tecidual Guiada por Ecoendoscopia<\/title>\n<meta name=\"description\" content=\"Aquisi\u00e7\u00e3o tecidual guiada por ecoendoscopia: confira as 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