直腸癌の女性尿道転移

FEMALE URETHRAL METASTASIS FROM RECTAL CARCINOMA

　患者は71歳，女性。尿閉を主訴として来院。外尿道口部に腫瘍を認め，生検の結果は高分化型腺癌で転移性尿道腫瘍の疑いであった。術前検査で原発巣を発見しえず，術中に直腸腫瘍を認めた。直腸癌の尿道遠隔転移であり骨盤全摘出術を施行した。術後11ヵ月の現在再発を認めていない。

A 71-year old female patient was admitted with the chief complaint of urinary retention. The tumor was found in the external urethral meatus and completely obstructed the meatus. Histopathological ex-amination of the urethral tumor revealed metastatic well differenciated adenocarcinoma. We found a primary tumor in the rectum at the operation. Pelvic excentration, colostomy and urinary diversion were performed. Pathological diagnosis was metastatic adenocarcinoma of the urethra originated from rectal cancer.