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Case Report
- Choledochocele containing a stone mistaken as a distal common bile duct stone.
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Tae Young Kwak, Chang Hwan Park, Seok Hyeon Eom, Hong Suk Hwang, Duk Won Chung, Ji Young Seo, Yeong Sung Kim, Dong Hyup Kwak
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Yeungnam Univ J Med. 2015;32(1):60-64. Published online June 30, 2015
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DOI: https://doi.org/10.12701/yujm.2015.32.1.60
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Abstract
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- A choledochocele is an expanded sac of the duodenal side of the distal common bile duct (CBD), and is categorized as a type III choledochal cyst. Unlike other choledochal cysts, it can be easily overlooked because of its very low prevalence, non-specific clinical symptoms, and lack of distinctive radiological findings. However, a patient having a repeated pancreaticobiliary disorder with an unknown origin, frequent abdominal pain after cholecystectomy, or repeated non-specific gastrointestinal symptoms can be suspected as having a choledochocele, and a more accurate diagnosis can be achieved via endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound. Because it rarely becomes malignant, a choledochocele can be treated via endoscopic sphincterotomy (EST) and surgical treatment. The authors were able to diagnose choledochocele accompanied by a stone in a patient admitted to the authors' hospital due to cholangitis and pancreatitis. The patient's condition was suspected to have been caused by a distal CBD stone detected via multiple detector computed tomography and ERCP, and was successfully treated via EST.
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