Diverticula of the male urethra: a review of 61 cases.

Sixty-one cases of diverticulum of the male urethra were reviewed. This group included 10 patients with congenital and 51 with acquired diverticula. The etiology of the acquired variety, the radiological findings, and the frequency of appearance in both congenital and acquired diverticula of the urethra during a 30-year period are described.