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To investigate the effectiveness and reliability of the combination of optical mechanical cystolithotripsy (OMC) and transurethral prostatectomy (TURP) for the treatment of bladder calculi and obstructive benign prostatic enlargement (BPE).

From December 1990 to December 1996, 61 patients who had bladder stones and BPE or bladder neck contracture were treated with combined OMC and TURP; 32 patients who had bladder stones with no infravesical obstruction were treated with OMC alone. The records of a random selection of 97 patients with obstructive BPE who were treated with TURP only in the same period were used as the control. The operative duration time, the length of hospital stay, the duration of urethral catheterization, outcome and complications of the procedures for each patients were reviewed. The Mann–Whitney U‐test and chi‐square tests were used for …