Reverse ball valve syndrome: retrograde intussusception of a duodenal polyp.
Hutton
M D
MD
Department of General Surgery, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia.
Hamdorf
J M
JM
Imani
P
P
D018253:Adenoma, Villous / Q000150:complications; D018256:Adenomatous Polyps / Q000150:complications; D000368:Aged; D004378:Duodenal Diseases / Q000209:etiology*; D004379:Duodenal Neoplasms / Q000150:complications*; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000150:complications*; D007443:Intussusception / Q000209:etiology*; D011391:Prolapse; D011708:Pylorus / Q000473:pathology