術前診断が可能であった腎浸潤性尿路上皮癌

Extensive urotherial cell carcinoma of the renal pelvis：a case report

　症例は63歳，男性。肉眼的血尿にて初診した。左上部尿路からの出血とわかったが，逆行性腎盂造影，尿管鏡下生検にても診断に至らず。造影CTにてリンパ節転移を伴う腎浸潤性尿路上皮癌との診断を得た。腎尿管全摘，術後化学療法にて3年現在，再発の徴候を認めていない。

　We report a case of extensive urotherial cell carcinoma of the renal pelvis. A 63 years old male visited our hospital with the chief complaint of macrohematuria. A plain CT scan was not pathognomonie but enhanced CT scan revealed invasive renal pelvic tumors, and total nephroureterectomy were performed. The resected specimens revealed nonpapillary invasive tumors, and the histological diagnosis was urotherial carcinoma. He has no evidence of recurrence after 3 years.

（Rinsho Hinyokika 61：917-919, 2007）