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1.
Korean Journal of Urology ; : 433-436, 2013.
Artigo em Inglês | WPRIM | ID: wpr-228108

RESUMO

PURPOSE: To evaluate the validity of the University of California San Francisco Cancer of the Prostate Risk Assessment-S score (CAPRA-S score), a biochemical indicator of recurrent prostate cancer that uses histopathologic data, in Korean prostate cancer patients. MATERIALS AND METHODS: A total of 203 prostate cancer patients who underwent radical prostatectomy between February 1997 and November 2010 were observed for longer than 6 months. The CAPRA-S score of 134 patients for whom records were available for preoperative prostate-specific antigen (PSA), pathologic specimen Gleason score, surgical margin, seminal vesicle invasion, extracapsular extension, and lymph node invasion were calculated. Biochemical recurrence was defined as repetitive measurement of PSA > or =0.2 ng/mL at least 6 months after surgery with at least a 4-week interval. The Cox proportional hazard model and Kaplan-Meier analysis were used for the statistical testing. RESULTS: The CAPRA-S scores were divided into nine groups. The 5-year disease-free survival rate was reduced as the CAPRA-S score increased compared with the group with a CAPRA-S score of 0-1. The CAPRA-S score in this study was more sensitive to biochemical recurrence than was the CAPRA score conducted at this institution (CAPRA-S concordance index, 0.776; CAPRA concordance index, 0.728). CONCLUSIONS: The CAPRA-S score is judged to be a useful tool for predicting the disease-free survival rate of Korean prostate cancer patients and is thought to assist in establishing postoperative management.


Assuntos
Humanos , California , Intervalo Livre de Doença , Cabras , Estimativa de Kaplan-Meier , Linfonodos , Gradação de Tumores , Modelos de Riscos Proporcionais , Antígeno Prostático Específico , Prostatectomia , Neoplasias da Próstata , Recidiva , São Francisco , Glândulas Seminais
2.
Korean Journal of Urology ; : 721-721, 2011.
Artigo em Inglês | WPRIM | ID: wpr-151530

RESUMO

No abstract available.

3.
Korean Journal of Urology ; : 598-602, 2011.
Artigo em Inglês | WPRIM | ID: wpr-65834

RESUMO

PURPOSE: Often, a diagnosis of pT3 is made on the basis of radical retropubic prostatectomy specimens, despite a Gleason score of 6 on the preoperative prostate biopsy. Thus, we investigated the preoperative variables in patients displaying these characteristics. MATERIALS AND METHODS: Study subjects comprised patients at our institute from 1996 to July 2010 who had exhibited a Gleason score of 6 on their prostate biopsies and had undergone a radical retropubic prostatectomy. Through univariate and multivariate analysis, we investigated pT3 predictive factors including age, preoperative prostate-specific antigen (PSA) levels, transrectal ultrasonography (TRUS)-weighted prostate volume, digital rectal examination findings, bilaterality via prostate biopsy, prostatic cancer in prostate base cores via prostate biopsy, maximum length and percent of prostatic cancer, and number of cores detected in prostatic cancer via prostate biopsy. RESULTS: In the univariate logistic regression mode, a PSA value of 7.4 ng/ml or higher, TRUS-weighted PSA density of 0.2 ng/ml/cc or higher, prostate cancer detected in the basal core, and prostate cancer detected in 2 or more cores out of 12 were predictive factors for extraprostatic extension. Independent predictive factors for stage pT3 were a PSA of 7.4 ng/ml or higher and prostate cancer detected in 2 or more cores out of 12. CONCLUSIONS: In the case of patients with the foregoing risk factors, it is advisable not to perform nerve-sparing surgery but to prepare for the possibility of a pT3 stage.


Assuntos
Humanos , Biópsia , Exame Retal Digital , Modelos Logísticos , Análise Multivariada , Gradação de Tumores , Próstata , Antígeno Prostático Específico , Prostatectomia , Neoplasias da Próstata , Fatores de Risco
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