Annals of Hepato-Biliary-Pancreatic Surgery

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Fig. 4.

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Fig. 4. The preoperative finding of Case No. 2. Computed tomo-graphy (CT) and direct cholan-giography taken 10 years before surgery (A, B) show marked dilatation of the common bile duct with an obstructing mass at the sphincter (arrows), which was later proven to be a benign stricture. CT scan and magnetic resonance cholangiography taken 1 month before surgery (C, D) show that the common bile duct is filled with stones and sludges (arrows).
Ann Hepatobiliary Pancreat Surg 2021;25:259-64
© 2021 Ann Hepatobiliary Pancreat Surg