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Obstructive jaundice caused by primary choledochal hydatid cyst mimicking radiologically choledochal cyst
Ibrahim Otgün1, Ibrahim Karnak, Mithat Haliloglu
1Department of Pediatric Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Insights
A rare case of obstructive jaundice in a child was caused by a hydatid cyst in the bile duct, not a choledochal cyst. This highlights the importance of considering hydatid cysts in pediatric biliopancreatic lesions.
Area of Science:
- Pediatric Surgery
- Hepatobiliary Medicine
- Parasitology
Background:
- Obstructive jaundice in children often presents diagnostic challenges.
- Choledochal cysts are a common consideration for cystic lesions around the biliopancreatic junction.
- Accurate radiological interpretation is crucial for timely diagnosis and treatment.
Observation:
- A 12-year-old female presented with obstructive jaundice.
- Initial radiological assessment suggested a choledochal cyst.
- Surgical exploration revealed a primary hydatid cyst within the common bile duct wall.
Findings:
- The hydatid cyst was the direct cause of biliary obstruction.
- Histopathological examination confirmed the presence of Echinococcus granulosus.
- Misinterpretation of imaging led to a delayed diagnosis.
Implications:
- Hydatid cysts should be included in the differential diagnosis for pediatric obstructive jaundice.
- Awareness among radiologists and surgeons is essential for accurate diagnosis.
- Early recognition can prevent complications associated with biliary obstruction and parasitic infestation.
Abstract:
A 12-year-old girl with obstructive jaundice that was initially misinterpreted radiologically as having choledochal cyst is presented. A primary hydatid cyst in the wall of the common bile duct causing obstruction was found at operation. The authors emphasize that hydatid cyst should be included in the list of differential diagnoses of obstructive jaundice and cystic lesions located around the biliopancreatic junction in children.