The implication of high grade prostatic intraepithelial neoplasia (HGPIN) to prostate cancer aggressiveness and prognosis is conflicted. The aim of the present study was to evaluate the role of HGPIN in prediction of adverse pathology in patients undergoing a radical prostatectomy. We retrospectively analysed patients who underwent a radical prostatectomy between January 2005 and December 2010. The relationship between HGPIN and the presence of upgrade, positive surgical margins (PSM), extracapsular disease (ECD), seminal vesicle invasion (SVI) and lymph node invasion (LNI) was analysed. HGPIN predictive ability was estimated by using receiver operating characteristic curves. HGPIN was found in 160 (53.3%) specimens. A statistically significant correlation was found between HGPIN and preoperative prostate specific antigen (p=0.020) and patients' age (p=0.025). No significant differences were found, regarding the presence of adverse pathological findings, between the patients with or without HGPIN, irrespective of the preoperative risk stratification. HGPIN did not reach significance for the prediction of upgrade, PSM, ECD, SVI and LNI. The presence of concomitant HGPIN and prostate cancer found not to be related with tumor aggressiveness in patients undergoing a radical prostatectomy and should not be considered as a parameter for the operative outcome prediction.

Department of Urology University Hospital of Patras Patras Greece

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