We report a case of a 37-year-old woman who was diagnosed with a type IV-A choledochal cyst with intrahepatic bile duct strictures. Because the stricture in the medial segment was located too far from the hilum for a hepaticojejunostomy we performed a left hepatic lobectomy. In this report we evaluate the therapeutic benefit of hepatectomy in a patient with a type IV-A choledochal cyst involving the intrahepatic bile ducts.
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