Abstract
Annular pancreas is a rare congenital abnormality, and in adult patients it presents with clinical features that differ from those seen in newborns. Features in the adult patient include peptic ulceration, duodenal obstruction, acute pancreatitis, and obstructive jaundice. Treatment strategies for annular pancreas with obstructive jaundice remain controversial. To present three cases involving adult patients with annular pancreas and obstructive jaundice, due to carcinoma of the ampulla of Vater in two patients and chronic pancreatitis in the third. Pancreaticoduodenectomy was performed on all patients, and the postoperative courses were uneventful. Our experience suggests that for adult patients with annular pancreas presenting with obstructive jaundice, it is necessary to consider the possibility of associated or coexisting periampullary malignancy.
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