胃腸透視24時間後像が診断に有用であったS状結腸膀胱瘻の3例

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39歳男,57歳男,58歳男.S状結腸膀胱瘻において瘻孔の確認は難しく,従来から行われている注腸造影,膀胱鏡等の検査手段では病変部位は推定できても瘻孔とその周辺臓器の情報は得られないことが多い.しかし,胃腸透視24時間後の像により術前にS状結腸膀胱瘻を画像的に確認することができ,本検査法はS状結腸膀胱瘻の診断において有用な検査手段と思われたRecently, sigmoidovesical fistula is not a rare disease as a result of the change of our food style and increase in the age ratio. However, in general, the preoperative image diagnosis is difficult. We have experienced three cases of sigmoidovesical fistula, examined by barium enema, cystography, upper gastrointestinal series, cystoscopy, colonic fiberscopy and computed tomography. The fistulas were identified preoperatively by the 24-hour delayed film of upper gastrointestinal series. By this method, the regions of sigmoidovesical fistula were identified, and the patients were operated. We concluded that the 24-hour delayed film in upper gastrointestinal series might be useful to diagnose the sigmoidovesical fistula.