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◆要旨:患者は43歳,女性.来院2日前より心窩部痛を自覚し当院を受診した.採血結果で軽度の肝機能異常があり,画像検査で胆囊結石を認め胆石症と診断された.排泄性胆道造影CTにて胆囊管と前区域枝胆管を連絡する副交通胆管枝を認めた.術前に経鼻胆道ドレナージチューブを留置し,術中胆道造影でナビゲーションしながら副交通胆管枝切除を伴う腹腔鏡下胆囊摘出術を施行した.副交通胆管枝を有する胆石症の一部では,副交通胆管枝切除により胆管結石の発症を防止できる可能性がある.また術前の胆道チューブ留置は,腹腔鏡下胆囊摘出術における安全性や正確性を高め,有益であると考えた.
A 43-year-old woman was admitted to our hospital with epigastric pain. Blood examination showed mild liver dysfunction, and imaging studies showed gallbladder stones. Computed tomography with drip infusion cholangiography revealed a communicating accessory bile duct(CABD) connecting the cystic duct to the anterior segmental branch of the hepatic bile duct. An endoscopic nasobiliary drainage tube(ENBD) was placed, then laparoscopic cholecystectomy with resection of the CABD was performed. In some cholelithiasis cases with CABD, resection of CABD may prevent recurrence of bile duct stones. Placement of a biliary drainage tube before laparoscopic cholecystectomy may improve the safety and accuracy of this operation.
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