Biliary tract duplication accompanied by choledocholithiasis: Report of a case |
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Authors: | Yoshiaki Tanaka Chiaki Kawaguchi Hiroyoshi Mizote Hiromichi Yano |
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Affiliation: | (1) Department of Pediatric Surgery, Kurume University School of Medicine, Asahimachi 67, Kurume, 830-0011 Fukuoka, Japan |
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Abstract: | Duplication of the biliary tract is extremely rare. In fact, to the best of our knowledge, only four previous reports of pediatric patients with this disease have been documented in the Japanese literature. This anomaly was diagnosed by perioperative endoscopic retrograde cholangiopancreatography (ERCP) in three of these patients, and incidentally during surgery for congenital biliary dilation in the other one. We report herein a case of biliary tract duplication which was diagnosed by T-tube cholangiography, only in the oblique view, after cholecystectomy and choledochotomy with T-tube drainage. The patient was a 13-year-old girl who was initially diagnosed as having choledocholithiasis based on the results of preoperative and intraoperative cholangiography; however, a postoperative T-tube cholangiography revealed residual stones. At this point, duplication of the biliary tract was diagnosed only in the first oblique view. Reoperation was carried out 26 days after the first operation. The biliary tract was dissected completely from the pancreaticobiliary junction to the left and right hepatic ducts in the porta hepatis and found to be duplicated from the level of porta hepatis to the suprapancreatic area. We report our experience of this case, followed by a discussion on the relevant literature. |
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Keywords: | choledocholithiasis duplication of biliary tract anomalous arrangement of pancreaticobiliary duct |
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