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Updated: Oct 5, 2025

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
Published on: February 28, 2025
Spontaneous Rupture of a Choledochal Cyst
Eduardo Bandeira1, Rita Carneiro2, Eugénia Soares2
1Centro Hospitalar Lisboa Ocidental, PT.
Insights
Spontaneous perforation of bile duct cysts, leading to biliary peritonitis, is rare but critical. Consider this diagnosis in patients with acute abdomen, ascites, and a dilated biliary tree on imaging.
Area of Science:
- Gastroenterology and Hepatobiliary Surgery
- Medical Imaging and Diagnostics
Background:
- Bile duct cysts are congenital anomalies with potential complications.
- Spontaneous perforation is an uncommon but severe presentation.
Observation:
- A case is presented of a patient with acute abdomen, ascites, and a dilated biliary tree on imaging.
- The patient's condition was attributed to spontaneous perforation of a bile duct cyst.
Findings:
- Spontaneous perforation of a bile duct cyst resulted in biliary peritonitis.
- Diagnostic imaging revealed a dilated biliary tree, ascites, and signs of acute abdomen.
Implications:
- This case highlights the importance of considering rare complications like biliary peritonitis in the differential diagnosis of acute abdomen.
- Early recognition and management of spontaneous bile duct cyst perforation are crucial for patient outcomes.
Abstract:
Teaching point: Spontaneous perforation with biliary peritonitis is a rare complication of bile duct cysts which should be considered in a patient presenting with acute abdomen, ascites, and dilated biliary tree on imaging.
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