Prostate Biopsy Markers of Inflammation are Associated with Risk of Clinical Progression of Benign Prostatic Hyperplasia: Findings from the MTOPS Study
2015
Purpose: Factors associated with worsening of benign prostatic hyperplasia are not well understood. We measured inflammatory markers from prostate biopsies to study if inflammation is related to clinical progression of benign prostatic hyperplasia.Materials and Methods: We measured inflammatory cell markers CD45, CD4, CD8 and CD68 in transition zone biopsies from 859 men in the MTOPS biopsy substudy. Using novel imaging techniques we quantified amounts of moderate/severe inflammation. Benign prostatic hyperplasia clinical progression was defined as a confirmed 4-point or greater increase in the AUA symptom score from baseline, or the occurrence of urinary incontinence or acute urinary retention. Baseline clinical parameters including concomitant medication use were determined. Kaplan-Meier curves and multivariate Cox proportional hazard models were used to determine the risk of progression.Results: Inflammation as measured by CD45, CD4 and CD68 increased the risk of clinical progression of benign prostati...
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