Departmental Bulletin Paper S状結腸癌による膀胱腸瘻から尿道瘻孔を形成し陰嚢内膿瘍を認めた1例
Urethral Fistula and Scrotal Abscess Associated with Colovesical Fistula Due to the Sigmoid Colon Cancer

中澤, 成晃  ,  植村, 元秀  ,  宮川, 康  ,  辻村, 晃  ,  野々村, 祝夫

61 ( 9 )  , pp.375 - 378 , 2015-09-30 , 泌尿器科紀要刊行会
We report here a rare case of urethral fistula and scrotal abscess associated with colovesical fistula due to sigmoid colon cancer. An 84-year-old male was referred to our hospital complaining of macrohematuria, fecaluria, pneumaturia and micturitional pain. Computed tomography (CT) showed colovesical fistula. Other examinations, including colonoscopy and cystoscopy, did not reveal a clear cause for the colovesical fistula. Only an elevated serum level of the tumor marker CA19-9 suggested the possibility of sigmoid colon cancer. Eleven days after hospitalization, bilateral scrotal contents had swollen rapidly to the size of a goose egg. CT suggested urethral fistula with scrotal abscess formation. Drainage of scrotal abscess and colostomy were performed. Intraoperatively, the fistula of the bulbar urethra was revealed. Because increased serum CA19-9 suggested a diagnosis of sigmoid colon cancer, cystectomy and sigmoid colectomy with right nephrectomy were performed. Pathological examination revealed adenocarcinoma of sigmoid colon with bladder invasion. His condition was improved with rehabilitation 6 months after operation.

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