[症例報告]結腸憩室炎に起因したS状結腸膀胱瘻の4例

Colonovesical fistula is one of the serious complications of colonic diverticulitis. We herein report four cases of colonovesical fistula due to colonic diverticulitis. There were 2 men and 2 women. The mean age of the patients was 62.2 years (range, 50-76 years). The main clinical presentation included pneumaturia, fever, intractable cystitis and others. Barium enema study among diagnostic modalities was most sensitive to an accurate diagnosis. Operative procedures were sigmoidectomy with or without fistulectomy. There were no severe complications after surgery. Sigmoidovesical fistula due to colonic diverticulitis should be included in a differential diagnosis in patients with pneumaturia, intractable cystitis, fever and others. Sigmoidectomy may be a treatment of choice.
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