{"id":12700,"date":"2025-07-17T03:31:00","date_gmt":"2025-07-17T07:31:00","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/prostate-biopsy\/"},"modified":"2025-07-17T03:31:00","modified_gmt":"2025-07-17T07:31:00","slug":"biopsia-de-prostata","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/biopsia-de-prostata\/","title":{"rendered":"Bi\u00f3psia de Pr\u00f3stata"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[136],"glossary-product":[108,107,104,105],"class_list":["post-12700","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-prostate-cancer-diagnostics","glossary-product-conticlassic-aus","glossary-product-contireflex-enhanced-aus","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"

Uma bi\u00f3psia da pr\u00f3stata \u00e9 um procedimento diagn\u00f3stico no qual pequenas amostras de tecido s\u00e3o removidas da pr\u00f3stata usando uma agulha especializada e depois examinadas ao microsc\u00f3pio para detectar a presen\u00e7a de c\u00e2ncer ou outras c\u00e9lulas anormais.1<\/sup> A pr\u00f3stata, encontrada apenas em homens, fica abaixo da bexiga e envolve a uretra, ajudando a produzir s\u00eamen.2<\/sup> A bi\u00f3psia \u00e9 considerada a t\u00e9cnica de diagn\u00f3stico padr\u00e3o ouro para a detec\u00e7\u00e3o da pr\u00f3stata. c\u00e2ncer.3<\/sup> Geralmente \u00e9 realizado usando uma das duas abordagens principais: o m\u00e9todo transretal (atrav\u00e9s do reto) ou o m\u00e9todo transperineal (atrav\u00e9s da pele entre o escroto e o reto).4<\/sup> A ultrassonografia \u00e9 comumente usada para visualizar a pr\u00f3stata e guiar a agulha da bi\u00f3psia para garantir uma amostragem precisa.5<\/sup><\/p>\n

A bi\u00f3psia de pr\u00f3stata \u00e9 um procedimento diagn\u00f3stico que consiste na retirada de fragmentos de tecido prost\u00e1tico para an\u00e1lise histopatol\u00f3gica, sendo o m\u00e9todo definitivo para diagn\u00f3stico do c\u00e2ncer de pr\u00f3stata. Pode ser realizada por via transretal (TRUS) ou transperineal, guiada por ultrassonografia ou fus\u00e3o de resson\u00e2ncia magn\u00e9tica. As diretrizes da EAU recomendam a bi\u00f3psia com fus\u00e3o de imagens (RM-TRUS) quando dispon\u00edvel.<\/p>","gt-synonyms":"Bi\u00f3psia de pr\u00f3stata por agulha, bi\u00f3psia de pr\u00f3stata guiada por TRUS, bi\u00f3psia de pr\u00f3stata transretal guiada por ultrassom, bi\u00f3psia de pr\u00f3stata transperineal, bi\u00f3psia de fus\u00e3o MRI-TRUS, bi\u00f3psia de pr\u00f3stata direcionada, bi\u00f3psia de pr\u00f3stata sistem\u00e1tica, bi\u00f3psia de pr\u00f3stata por agulha grossa","gt-citation":"[1] Streicher J, Meyerson BL, Karivedu V, Sidana A. A review of optimal prostate biopsy: indications and techniques. Ther Adv Urol. 2019 Aug 28;11:1756287219870074. DOI: https:\/\/doi.org\/10.1177\/1756287219870074\n\n[2] Ahmed F El Shafei, MBBCh, MSc(Urol), PhD(Urol). Prostate Biopsy: Practice Essentials, Background, Indications and Contraindications. Medscape. Updated: Jun 20, 2024. Available at: https:\/\/emedicine.medscape.com\/article\/1949728-overview\n\n[3] Gregg J. Prostate biopsy explained: Process, recovery and results. MD Anderson Cancer Center. Published October 22, 2024. Available at: https:\/\/www.mdanderson.org\/cancerwise\/prostate-biopsy-explained--process--recovery-and-results.h00-159701490.html\n\n[4] Johns Hopkins Medicine. Prostate Biopsy. Available at: https:\/\/www.hopkinsmedicine.org\/health\/treatment-tests-and-therapies\/prostate-biopsy\n\n[5] Park SY, Jung DC, Oh YT, et al. Prostate Cancer: PI-RADS Version 2 Helps Preoperatively Predict Clinically Significant Cancers. Radiology. 2016;280(1):108-116. DOI: https:\/\/doi.org\/10.1148\/radiol.16151133","gt-clinical-context":"

A bi\u00f3psia da pr\u00f3stata \u00e9 indicada principalmente quando h\u00e1 suspeita cl\u00ednica de c\u00e2ncer de pr\u00f3stata.1<\/sup> A decis\u00e3o de prosseguir com a bi\u00f3psia \u00e9 complexa e deve ser tomada de forma individualizada, considerando diversos fatores.3<\/sup> As principais indica\u00e7\u00f5es incluem:<\/p>\n \n

    \n
  1. Exame retal digital anormal (ERD)<\/strong>: quando um profissional de sa\u00fade detecta nodularidade, assimetria ou firmeza difusa durante um exame f\u00edsico.1<\/sup><\/li>\n
  2. Ant\u00edgeno Espec\u00edfico da Pr\u00f3stata (PSA) elevado<\/strong>: Homens com valores de PSA superiores a 4 ng\/ml com um toque retal normal t\u00eam um risco de 30-35% de ter c\u00e2ncer.1<\/sup> No entanto, o risco de c\u00e2ncer existe em qualquer n\u00edvel de PSA, e a decis\u00e3o deve considerar a densidade do PSA, valores livres e totais, bem como fatores de risco espec\u00edficos do paciente, como idade e fam\u00edlia hist\u00f3ria.3<\/sup><\/li>\n
  3. Achados suspeitos em exames de imagem<\/strong>: especialmente les\u00f5es identificadas na resson\u00e2ncia magn\u00e9tica multiparam\u00e9trica (mpMRI) com pontua\u00e7\u00f5es 4 ou 5 do Prostate Imaging Reporting and Data System 2 (PI-RADS2), que indicam uma probabilidade alta ou muito alta de c\u00e2ncer clinicamente significativo.1<\/sup><\/li><\/ol>\n\n

    O procedimento normalmente \u00e9 realizado ambulatorialmente e pode envolver anestesia local, seda\u00e7\u00e3o ou anestesia geral, dependendo da abordagem e dos fatores do paciente.4<\/sup> Para a abordagem transretal, uma sonda de ultrassom \u00e9 inserida no reto para visualizar a pr\u00f3stata, e uma agulha de bi\u00f3psia com mola \u00e9 usada para coletar m\u00faltiplas amostras de tecido.2<\/sup> Para a abordagem transperineal, a agulha \u00e9 inserida atrav\u00e9s da pele entre o escroto e reto.4<\/sup><\/p>\n\n

    A recupera\u00e7\u00e3o ap\u00f3s o procedimento geralmente envolve restri\u00e7\u00f5es m\u00ednimas, embora os pacientes possam apresentar efeitos colaterais tempor\u00e1rios, incluindo sangue na urina, fezes ou s\u00eamen, dor ou desconforto leve e, raramente, infec\u00e7\u00e3o ou dificuldade para urinar.5<\/sup> Esses sintomas geralmente desaparecem dentro de alguns dias a semanas.3<\/sup><\/p>\n\n

    Os resultados da bi\u00f3psia, examinados por um patologista, ajudam a determinar a presen\u00e7a de c\u00e2ncer, seu grau (pontua\u00e7\u00e3o de Gleason) e extens\u00e3o, que orientam as decis\u00f5es de tratamento.3<\/sup> Resultados negativos ainda podem justificar monitoramento cont\u00ednuo com testes regulares de PSA, enquanto resultados positivos levar\u00e3o a avalia\u00e7\u00f5es adicionais e planejamento de tratamento com base nas caracter\u00edsticas do c\u00e2ncer.5<\/sup><\/p>\n

    A EAU 2023 recomenda bi\u00f3psia em homens com PSA elevado persistente, toque retal suspeito ou resson\u00e2ncia magn\u00e9tica com PI-RADS \u2265 3. A via transperineal \u00e9 preferida por menor risco de infec\u00e7\u00e3o. O esquema padr\u00e3o inclui 12 fragmentos sistematizados, com amostras adicionais de \u00e1reas suspeitas na RM. As complica\u00e7\u00f5es incluem sangramento (20-50%), infec\u00e7\u00e3o (< 1% via transperineal) e reten\u00e7\u00e3o urin\u00e1ria (< 2%).<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":52},"yoast_head":"\nBi\u00f3psia de Pr\u00f3stata: Indica\u00e7\u00f5es e T\u00e9cnicas | Rigicon<\/title>\n<meta name=\"description\" content=\"Guia sobre bi\u00f3psia de pr\u00f3stata: indica\u00e7\u00f5es, t\u00e9cnica transretal vs. transperineal, fus\u00e3o de imagens e interpreta\u00e7\u00e3o de resultados. 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