化学療法で寛解した膀胱憩室癌術後骨転移

SUCCESSFUL COMBINATION CHEMOTHERARY FOR BONE RECURRENCE OF THE BLADDER DIVERTICULUM CARCINOMA

　61歳，女性。血尿を主訴に受診。術前診断は右卵巣腫瘍兼膀胱浸潤。手術にて直径約7cm　の膀胱憩室腫瘍と判明し，膀胱全摘術施行。病理診断は移行上皮癌，grade 3，INFβ，pT³b，ly²，ν（＋）。術後1年，骨スキャンにて胸椎，肋骨の転移がみられ，cyclophosphamide（500mg静注，第1日），doxorubicin hydrochloride（30mg静注，第2日），cisplatin（75mg静注，第3日）を4〜5週ごとに投与，5コースで完全寛解をみた。術後29カ月健在。

A 61-year-old female visited our hospital with a chief complaint of hematuria. Cystoscopy revealed marked bulging of right back wall, where a thumbsized non-papillary tumor was seen. IVP was normal except for marked compression of the right bladder wall. CT revealed a globe-shaped mass 7 cm in diameter on the right back-wall of the bladder. Preoperative diagnosis was right ovarian tumor with bladder invasion. At surgery, a large bladder diverticulum, the cavity of which was occupied with non-papillary tumor, was seen.