Adenocarcinoma of the rectum with a solitary metastasis to the urethra in a female.

Adenocarcinoma of the urethra is extremely rare, constituting 10 to 20% of all primary urethral malignancies in women. As in men, the squamous carcinoma accounts for 70% of all urethral tumours. Adenocarcinomas are mostly primary lesions, originating from the paraurethral glands. A case is reported about a female patient, presenting with a mucinous urethral adenocarcinoma, presumably secondary to a primary rectal adenocarcinoma.