title: Quest for the aberrant vessel.
abstract: In most cases of posterior epistaxis, the terminal branches of the internal maxillary artery (IMA)--principally the sphenopalatine artery--are believed to be the source of hemorrhage. However, we recently treated three patients in which unexpected or aberrant vascular anatomy resulted in persistent posterior epistaxis.
authors.affiliation: Department of Otolaryngology-Head and Neck Surgery, University of Washington School of Medicine, Seattle 98195.
authors.forename: H A
authors.initials: HA
authors.lastname: Milczuk
authors.forename: P W
authors.initials: PW
authors.lastname: Flint
authors.forename: J M
authors.initials: JM
authors.lastname: Eskridge
authors.forename: C W
authors.initials: CW
authors.lastname: Cummings
mesh_terms: D000368:Aged; D001158:Arteries / Q000002:abnormalities; D004844:Epistaxis / Q000209:etiology*; D005005:Ethmoid Sinus / Q000098:blood supply; D005145:Face / Q000098:blood supply*; D005260:Female; D006801:Humans; D008297:Male; D008438:Maxillary Artery / Q000002:abnormalities*; D008875:Middle Aged; D009296:Nasal Cavity / Q000098:blood supply