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Associa??o da Radioterapia externa (RTe) com braquiterapia de alta taxa de dose (BTATD), no tratamento do c?ncer de pr?stata (CaP). / Association of External Radiotherapy (RTe) with high dose rate brachytherapy (BTATD) in the treatment of prostate cancer (CaP).

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Previous issue date: 2017-12-15 / Introduction: Prostate cancer is one of the most prevalent diseases in the male population, occupying the second position among malignant neoplasms. There are several therapeutic options for the treatment of localized prostate cancer, ranging from conservative behaviors to interventional treatments such as radical prostatectomy or external radiotherapy, associated or not with brachytherapy. Objective: To identify the factors that can predict biochemical recurrence and to evaluate treatment toxicity. METHOD: This is a retrospective and longitudinal study of 162 patients diagnosed with prostate cancer treated with conformational external radiotherapy associated with high dose rate brachytherapy (BTATD) between 2005 and 2014. The database was used of the Radium ? Campinas Oncology Institute, collected prospectively. Results: The mean follow-up time was 57 months. No grade 3 late toxicity was observed in the gastrointestinal tract, with only 1 patient (0.6%) genitourinary tract. The only categorical variable that presented statistical significance for biochemical relapse was the Nadir PSA <1 ng / ml (p = 0.018). The biochemical recurrence rate found was 96.3%, based on the Phoenix criteria (PSA nadir + 2 ng / ml). Conclusions: This study demonstrated that in the treatment of localized prostate cancer, the association of external radiotherapy with BATD is a safe therapeutic option, with a low degree 3 late toxicity and a biochemical recurrence of only 3.7% (with HF = 95 %). / Introdu??o: O c?ncer de pr?stata ? uma das doen?as mais prevalentes na popula??o masculina, ocupando a segunda posi??o entre as neoplasias malignas. H? v?rias op??es terap?uticas para o tratamento do c?ncer de pr?stata localizado, podendo variar de condutas conservadoras ? tratamentos intervencionistas como a prostatectomia radical ou a radioterapia externa, associada ou n?o ? braquiterapia. Objetivo: Identificar os fatores que possam predizer recidiva bioqu?mica e avaliar a toxicidade do tratamento. M?todo: Tratase de um estudo retrospectivo e longitudinal, com 162 pacientes diagnosticados com c?ncer de pr?stata, tratados com radioterapia externa conformacional associada ? braquiterapia de alta taxa de dose (BATD), entre 2005 e 2014. Utilizou-se o banco de dados do Radium - Instituto de Oncologia de Campinas, coletados prospectivamente. Resultados: O tempo m?dio de seguimento foi de 57 meses. N?o foi observada toxicidade tardia grau 3 no trato gastrointestinal, sendo apenas 1 paciente (0,6%) trato genitourin?rio. A ?nica vari?vel categ?rica que apresentou signific?ncia estat?stica para recidiva bioqu?mica foi o PSA Nadir <1 ng/ ml (p = 0,018). A taxa de recidiva bioqu?mica encontrada foi de 96,3%, baseando-se nos crit?rios de Phoenix (PSA nadir + 2 ng/ml). Conclus?es: Esse estudo demonstrou que, no tratamento de c?ncer de pr?stata localizado, a associa??o de radioterapia externa com BATD ? uma op??o terap?utica segura, com baixa taxa de toxicidade tardia grau 3 e recidiva bioqu?mica de apenas 3,7% (com I.C = 95%).

Identiferoai:union.ndltd.org:IBICT/oai:tede.bibliotecadigital.puc-campinas.edu.br:tede/1007
Date15 December 2017
CreatorsJos? Junior, Vanderlei
ContributorsReis, Leonardo Oliveira, Schultz, Luciana, Aquino, Jose Luis Braga de
PublisherPontif?cia Universidade Cat?lica de Campinas, Programa de P?s-Gradua??o em Ci?ncias da Sa?de, PUC-Campinas, Brasil, CCV ? Centro de Ci?ncias da Vida
Source SetsIBICT Brazilian ETDs
LanguagePortuguese
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis
Formatapplication/pdf
Sourcereponame:Biblioteca Digital de Teses e Dissertações da PUC_CAMPINAS, instname:Pontifícia Universidade Católica de Campinas, instacron:PUC_CAMP
Rightsinfo:eu-repo/semantics/openAccess
Relation8557887800933955053, 500, 500, -8538742193007695607

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