In a prospective randomized study, we compare standard prostate biopsy to extensive biopsy utilizing intravenous conscious sedation (IVCS). Initial biopsy patients (n=197) were randomized to either standard biopsy using intrarectal lidocaine gel (6–12 biopsies, mean 10.1) or extensive biopsy (24 biopsies) using IVCS. Cancer detection and urinary symptoms were no different between groups. However, biopsy pain was rated significantly lower and satisfaction significantly higher in the extensive biopsy group. Temporary urinary retention occurred in 4% of the extensive biopsy group. Extended biopsy with 24 samples does not improve cancer detection compared to standard biopsy when 10 cores are obtained. Extensive biopsy is very well tolerated and associated with less pain and more satisfaction than standard biopsy.
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We acknowledge Robert H Riffenburgh, PhD, who performed the statistical analysis. The views expressed in this article are those of the authors and do not reflect the official policy or position of the Department of the Navy, Department of Defense, or the United States Government.
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Sur, R., Borboroglu, P., Roberts, J. et al. A prospective randomized comparison of extensive prostate biopsy to standard biopsy with assessment of diagnostic yield, biopsy pain and morbidity. Prostate Cancer Prostatic Dis 7, 126–131 (2004). https://doi.org/10.1038/sj.pcan.4500713
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