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Artículo Tomo 70, Número. 5, Junio 2017

Archivos Españoles de Urología

Evaluation of a seminal vesicle biopsy protocol simultaneous to diagnostic prostate biopsy. Analysis of indication criteria.

Authors: Raśl Montoya Chinchilla y Antonio Rosino Sįnchez.

Arch. Esp. Urol. 2017; 70 (5): 493-502

Vol. 70, Number. 5, June 2017

OBJECTIVES: To analyze the indication criteria used for conducting seminal vesicles biopsies as well as the diagnostic capacity of other variables involved.

METHODS: We present the results of an observational and retrospective study (May 2006 - December 2012) using a sample of 140 patients to whom seminal vesicles biopsies was performed in a first set of prostate biopsy. They were patients eligible for curative treatment and presented any of the following criteria: PSA ≥15 ng/ml, suspicion of neoplastic seminal vesicle invasion on transrectal US, and/or suspicious node in the prostate base on DRE or transrectal US.

RESULTS: Seminal vesicle invasion due to prostate cancer was detected in 22.2%. Patients with 3 criteria had T3b in 66.7% of cases. The criterion most associated with T3b was the presence of a suspicious node in the prostate base, with an association of 29.3% of cases. Variables analyzed that had shown a greater association with stage T3b were PSA density, the presence of suspicious DRE, the Gleason sum.

CONCLUSIONS: Our seminal vesicle biopsy protocol has detected 22.2% of seminal vesicle invasion. The detection of a suspicious node at the prostate base has shown the greatest association with T3b.

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