{"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":"2026-10-06T12:50:55","modified_gmt":"2026-10-06T16:50:55","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":"

A bi\u00f3psia de pr\u00f3stata \u00e9 um procedimento diagn\u00f3stico no qual pequenas amostras de tecido s\u00e3o retiradas da pr\u00f3stata com uma agulha especializada e, em seguida, examinadas ao microsc\u00f3pio para detectar a presen\u00e7a de c\u00e2ncer ou de outras c\u00e9lulas anormais.1<\/sup> A pr\u00f3stata, presente apenas nos homens, situa-se abaixo da bexiga, envolve a uretra e ajuda a produzir o s\u00eamen.2<\/sup> A bi\u00f3psia \u00e9 considerada a t\u00e9cnica diagn\u00f3stica padr\u00e3o-ouro para a detec\u00e7\u00e3o do c\u00e2ncer de pr\u00f3stata.3<\/sup> Normalmente \u00e9 realizada por meio de uma de 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 utilizada para visualizar a pr\u00f3stata e guiar a agulha de bi\u00f3psia, garantindo uma amostragem precisa.5<\/sup><\/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 de pr\u00f3stata \u00e9 indicada principalmente quando h\u00e1 suspeita cl\u00ednica de c\u00e2ncer de pr\u00f3stata.1<\/sup> A decis\u00e3o de realizar 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 de toque retal (TR) anormal<\/strong>: Quando o profissional de sa\u00fade detecta nodularidade, assimetria ou endurecimento difuso durante o exame f\u00edsico.1<\/sup><\/li>\n
  2. Ant\u00edgeno prost\u00e1tico espec\u00edfico (PSA) elevado<\/strong>: Homens com valores de PSA superiores a 4 ng\/ml e TR normal t\u00eam um risco de 30-35% de ter c\u00e2ncer.1<\/sup> No entanto, existe risco de c\u00e2ncer em qualquer n\u00edvel de PSA, e a decis\u00e3o deve considerar a densidade do PSA, os valores livre e total, bem como fatores de risco espec\u00edficos do paciente, como idade e hist\u00f3rico familiar.3<\/sup><\/li>\n
  3. Achados suspeitos em exames de imagem<\/strong>: Particularmente les\u00f5es identificadas na resson\u00e2ncia magn\u00e9tica multiparam\u00e9trica (RMmp) com escores 4 ou 5 no Prostate Imaging Reporting and Data System 2 (PI-RADS2), que indicam probabilidade alta ou muito alta de c\u00e2ncer clinicamente significativo.1<\/sup><\/li>\n <\/ol>\n\n

    O procedimento \u00e9 normalmente realizado em regime ambulatorial e pode envolver anestesia local, seda\u00e7\u00e3o ou anestesia geral, dependendo da abordagem e de fatores do paciente.4<\/sup> Na abordagem transretal, uma sonda de ultrassom \u00e9 introduzida no reto para visualizar a pr\u00f3stata, e uma agulha de bi\u00f3psia com mecanismo de mola \u00e9 utilizada para coletar m\u00faltiplas amostras de tecido.2<\/sup> Na abordagem transperineal, a agulha \u00e9 introduzida atrav\u00e9s da pele entre o escroto e o 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, nas fezes ou no s\u00eamen, dor ou desconforto leve e, raramente, infec\u00e7\u00e3o ou dificuldade para urinar.5<\/sup> Esses sintomas normalmente se resolvem em 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 (escore de Gleason) e sua extens\u00e3o, o que orienta as decis\u00f5es terap\u00eauticas.3<\/sup> Resultados negativos ainda podem justificar o monitoramento cont\u00ednuo com testes de PSA regulares, enquanto resultados positivos levar\u00e3o a uma avalia\u00e7\u00e3o adicional e ao planejamento do tratamento com base nas caracter\u00edsticas do c\u00e2ncer.5<\/sup><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":66},"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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