A 32-year-old woman with a choledochal cyst (Todani type I) developed recurrent acute pancreatitis
leading to calcific chronic pancreatitis. She had previously been treated with two cyst drainage
procedures and subtotal cyst excision. This association between choledochal cyst and chronic pancreatitis
has not been previously reported. Severe continuing symptoms led to pylorus-preserving proximal
pancreatoduodenectomy, which was undertaken to prevent future carcinoma in the cyst remnant and
progression of the chronic pancreatiti