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Updated: Jul 5, 2026
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Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
Published on: February 28, 2025
Adult type I choledochal cyst resection
John B Ammori1, Michael W Mulholland
1Department of Surgery, The University of Michigan Medical Center, 2101 Taubman Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0346, USA.
Summary
Type I choledochal cysts require surgical resection due to cancer risk. This procedure involves cyst excision and reconstruction for excellent long-term outcomes.
Area of Science:
- Hepatobiliary Surgery
- Pediatric Surgery
- Surgical Oncology
Background:
- Type I choledochal cysts present as fusiform dilatation of the common bile duct.
- Often associated with anomalous pancreatobiliary duct junction, diagnosis can be delayed into adulthood.
- Malignant transformation is a significant risk, necessitating complete resection.
Purpose of the Study:
- To describe the surgical technique for Type I choledochal cyst resection.
- To highlight the importance of complete excision and biliary-enteric reconstruction.
- To report on the safety and efficacy of the procedure.
Main Methods:
- Surgical resection via a right subcostal incision.
- Distal cyst transection within the pancreatic parenchyma.
- Total transmural excision of the extrahepatic biliary tree.
- Restoration of biliary-enteric continuity using Roux-en-Y hepaticojejunostomy.
Main Results:
- The surgical steps for Type I choledochal cyst resection are detailed.
- The procedure involves complete excision of the extrahepatic bile duct.
- Low 30-day mortality and excellent long-term outcomes were observed.
Conclusions:
- Surgical resection of Type I choledochal cysts is essential to prevent malignant degeneration.
- The described technique ensures complete cyst removal and effective biliary reconstruction.
- This approach yields favorable short-term and long-term patient outcomes.
