PMID: 7536254May 1, 1995Paper

Repeat prostate needle biopsy: who needs it?

The Journal of Urology
W J Ellis, M K Brawer

Abstract

The indications for repeat prostate needle biopsy after a transrectal ultrasound guided sextant biopsy are not defined. We examined 100 sextant prostate needle biopsies without a diagnosis of malignancy, which were repeated. Carcinoma was detected in 20 repeat biopsies (20%). Stratification based on initial biopsy result revealed carcinoma in 10 of 69 cases (14.5%) without prostatic intraepithelial neoplasia or atypia, 5 of 17 (29.4%) with atypia, 5 of 5 (100%) with grade II or III prostatic intraepithelial neoplasia and 0 of 9 with grade I prostatic intraepithelial neoplasia. Examination of prostate specific antigen (PSA) levels and PSA velocity did not provide statistically significant stratification, perhaps due to the wide variance in these parameters and the small sample size. We conclude that patients with a diagnosis of glandular atypia, or grade II or III prostatic intraepithelial neoplasia on initial biopsy are at high risk for invasive carcinoma and should undergo repeat prostate needle biopsy. A rapidly increasing serum PSA level or grossly abnormal digital rectal examination may also indicate carcinoma not discovered on initial biopsy.

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Citations

Oct 1, 1996·Journal of Clinical Ultrasound : JCU·S W Melchior, M K Brawer
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