156 Background: To assess clinical outcomes after transperineal template-guided prostate biopsy (TTPB) including detection rates, pathologic features, clinical relevance and morbidity. Methods: Forty eight men underwent TTPB. All patients had at least one (range 1–4) prior negative transrectal ultrasound-guided (TRUS) prostate biopsy and no prostate cancer diagnosis. The mean pre-biopsy PSA of the entire group was 13.1 ng/ml (range 4.5–46.4). The mean number of cores sampled was 24.7 (range 22–28). Results: The rate of prostate cancer detection was 52% (25/48). Clinically significant prostate cancer, defined as intermediate (n=9) and high (n=11) risk disease using D’Amico criteria, was found in 80% (20/25) of positive biopsy cases. Seventy-two percent of all positive biopsy cores were anatomically located in the anterior or anterolateral positions within the prostate. Urinary retention requiring catheterization after the procedure developed in 6% (3/48) of patients. No patients developed rectal or infectious complications after TTPB. Conclusions: TTPB is a well tolerated procedure resulting in a significant rate of cancer detection. Biopsies were frequently found to be positive in the anterior half of the prostate. Clinically significant disease was found in a high percentage of patients.
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