annular pancreas presenting with painless jaundice: acase report and review of literature

annular pancreas (ap) is a rare congenital abnormality in which pancreatic tissue completely surround the duodenum. presentation of ap in adulthood is very rare and obstructive jaundice is one of the uncommon manifestations of ap in adults. herein; we reported a 47 years old woman who presented with icterus, midcommon bile duct stricture and annular pancreas. she was diagnosed as pancreas cancer three months after surgery. although ap presenting with jaundice is rare but is indicative of significant relationship with periampullary malignancies and requires a complete investigation of these cancers and close follow up.