[Acute pancreatitis in childhood by choledocal stone in a choledocal cyst. Case report].

Acute pancreatitis is a known complication of choledochal cysts. It is associated with changes in the biliopancreatic junction and with intra-cystic gallstones. We describe a case of pancreatitis and biliary obstruction caused by choledochal cyst type IVa complicated with obstruction by biliary stones in a 2 year old infant.