Common bile duct stump stones and recurrent acute pancreatitis after Roux-en-Y choledochojejunostomy in a child: A case report.

Background: Pancreaticobiliary maljunction (PBM) is a rare congenital abnormality in pancreaticobiliary duct development. PBM is commonly found in children, and it often leads to acute pancreatitis and other diseases as a result of pancreaticobiliary reflux. Roux-en-Y choledochojejunostomy is a common surgical method for the treatment of PBM, but there are several associated complications that may occur after this operation.