We present the case of a 26-year old woman who developed obstructive jaundice and massive abdominal swelling. Investigations revealed a huge choledochal cyst with obstructive pattern of hyperbilirubinaemia. She had exploratory laparotomy, drainage and excision of the choledochal cyst and Roux-en-Y hepaticojejunostomy. She has been followed up for 6 months in good clinical condition.
Keywords: Adult; Nigeria; choledochal cyst.
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