RT Journal Article SR Electronic T1 Sporadic ampullary hamartoma simulating cancer JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 227 OP 230 VO 40 IS 3 A1 Moyana, Terence N. A1 Miller, Grant G. A1 Keith, Roger G. YR 1997 UL http://canjsurg.ca/content/40/3/227.abstract AB Ampullary tumours are uncommon. They may occur with familial polyposis syndromes or neurofibromatosis. It can be difficult to distinguish them from their periampullary counterparts on clinical, radiologic or histologic grounds. Because most ampullary and periampullary tumours are malignant, they tend to be treated by radical surgery. A 67-year-old man was seen with a sporadic ampullary hamartoma that simulated cancer. It was succesfully treated by local excision through a transverse duodenotomy.