Background. Choledochal cyst, a rare congenital cystic dilatation of biliary tree, is uncommon in adults. Their presentations differ from children and surgical management has evolved. Methods. A retrospective review of the records of all the patients above 15 years, who underwent therapeutic intervention in our hospital, was carried out. Results. Ten cases of choledochal cyst were found; 8 female, with mean age 31 years. These included 8 cases of Todani type I and one case each of type II and type III. The predominant symptoms were abdominal pain and jaundice. Abdominal mass and past history of cholangitis and pancreatitis were seen in 2 patients. Investigations included ultrasound in 8 patients, CT in 7, ERCP in 3, and MRCP in 5. Surgical intervention included complete excision of the cyst with hepaticojejunostomy and cholecystectomy (type I), excision of the diverticulum (type II), and ERCP sphincterotomy (type III). Malignancy was not seen in any patients. The long-term postoperative complications included cholangitis in two patients. Conclusion. Choledochal cyst is rare in adults. The typical triad of abdominal pain, jaundice, and mass is uncommon in adults. The surgical strategy aims for single stage complete excision of the cyst with hepaticojejunostomy.
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