[Urethral diverticulum in men following ureteroplasty: four case reports].

The author reports a serie of 4 cases of male urethral diverticulum. All cases were acquired origin. They are complication of urethroplasty. Diagnosis is clinical, based on the development of a perineal mass or phlegmon. This diagnosis is confirmed by cystourethrography. Treatment is by open surgery and consists on diverticulectomy and repair urethra in one stage. Two steps are necessary as the reported cases, where they are urethral stenosis or a inflammatory involvement of the peridiverticulum tissues. This treatment achieves good results.