Prior TURP vs. No prior TURP Intraoperative complications: More Hb drop in no prior TURP group (p=0.484) Bleeding (1 vs. 2) Blood transfusion requirement and ureteric orifice injury (0 vs. 1) Postoperative complications: Blood transfusion and recatheterization, requirement, epididymitis, bulbar stricture (1 vs. 0) Transient incontinence (9 vs. 6) Bladder neck contracture, meatal/ submeatal stenosis (0 vs. 1)  Incidental prostatic adenocarcinoma (4 vs. 6). This evidence concerns the gene GSTM1 and epididymitis.