title: Bleeding from polypoid colonic arteriovenous malformations.
abstract: The endoscopic appearance of vascular ectasias has been well characterized. We present two cases of bleeding polypoid colonic arteriovenous malformations.
authors.affiliation: Division of Gastroenterology, Allegheny General Hospital, Allegheny Campus, Pittsburgh, Pennsylvania USA.
authors.forename: F J
authors.initials: FJ
authors.lastname: Koziara
authors.forename: G J
authors.initials: GJ
authors.lastname: Brodmerkel
authors.forename: J J
authors.initials: JJ
authors.lastname: Boylan
authors.forename: G F
authors.initials: GF
authors.lastname: Ciambotti
authors.forename: R M
authors.initials: RM
authors.lastname: Agrawal
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001165:Arteriovenous Malformations / Q000150:complications* / Q000473:pathology / Q000601:surgery; D003106:Colon / Q000098:blood supply / Q000601:surgery; D003111:Colonic Polyps / Q000150:complications* / Q000473:pathology / Q000601:surgery; D004564:Electrocoagulation; D005260:Female; D005500:Follow-Up Studies; D006471:Gastrointestinal Hemorrhage / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D006801:Humans; D016239:MEDLINE; D008297:Male; D008875:Middle Aged