Endometriosis of the urinary bladder in a man with prostatic carcinoma

Abstract
A case of endometriosis of the urinary bladder in a man is described. The patient had been treated with estrogen for several years following radical prostatectomy and orchiectomy for prostatic carcinoma. The only other reported case of endometriosis in a male presented in a strikingly similar manner. Pathogenic speculations are briefly presented.