Baseline Basal Cell Hyperplasia Is not Associated With Baseline Lower Urinary Tract Symptoms, Baseline Clinical Prostatitis or Prostate Cancer in Repeat Biopsies

D. M.O. Freitas, G. L. Andriole, S. J. Freedland, B. S. Neto, D. M. Moreira

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: To evaluate whether the presence of basal cell hyperplasia (BCH) in negative biopsies is associated with concurrent lower urinary tract symptoms (LUTS) and benign prostatic hyperplasia (BPH), clinical prostatitis, and future prostate cancer (PCa) in repeat prostate biopsy. Methods: We performed a retrospective analysis of 6471 men, 50-75 years old with prostate-specific antigen between 2.5 and 10 ng/ml and prior negative biopsy who were enrolled in the Reduction by Dutasteride of PCa Events trial and underwent a 2-year repeat biopsy. The association between baseline BCH and risk of PCa, BPH/LUTS and clinical prostatitis measured at baseline were evaluated with logistic regression in uni/multivariable analysis, controlling for baseline patient characteristics. Results: Among 6471 men enrolled, 84 (1.3%) had BCH in the baseline prostate biopsy. BCH was associated less chronic inflammation and more prostate atrophy (P < 0.05) and was unrelated to baseline patient characteristics. In both uni/multivariable analyses, BCH was not associated with PCa in repeat biopsy (univariable odds ratio [OR] = 0.98, 95% confidence interval [CI] = 0.53-1.82, P > 0.05; multivariable OR=1.15, 95% CI = 0.61-2.16, P > 0.05), BPH/LUTS (univariable OR = 1.13, 95% CI = 0.71-1.81, P > 0.05; multivariable OR = 1.20, 95% CI = 0.74-1.94, P > 0.05), or clinical prostatitis (univariable OR = 0.56, 95% CI = 0.18-1.81, P > 0.05; multivariable OR = 0.57, 95% CI = 0.18-1.83, P > 0.05). Conclusion: Among men undergoing repeat prostate biopsy with a baseline negative biopsy, BCH was associated with more histological atrophy and less chronic prostatitis, but was unrelated to LUTS/BPH, clinical prostatitis or future PCa risk.

Original languageEnglish
Pages (from-to)160-164
Number of pages5
JournalUrology
Volume129
DOIs
StatePublished - Jul 2019

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