[Primary urothelial carcinoma of the bulbomembranous urethra. Histologic and immunohistochemical study of a case].

Objective: We report a case of a primary urothelial carcinoma of the bulbomembranous urethra, with special emphasis on histopathological and immunohistochemical findings.

Methods/results: A 63-year-old man presented urethral obstruction symptoms. A radical phalectomy was performed and a 4.