title: Unilateral absence of the external carotid artery.
abstract: We report a patient with absence of the external carotid artery. The major external branches originate from the internal carotid artery which is really a common arterial trunk. The embryology and clinical significance of this rare vascular anomaly are discussed.
authors.affiliation: Department of Radiology, Boston University Medical Center, Massachusetts.
authors.forename: P D
authors.initials: PD
authors.lastname: Franklin
authors.forename: R G
authors.initials: RG
authors.lastname: Lee
authors.forename: J C
authors.initials: JC
authors.lastname: Allard
authors.forename: G W
authors.initials: GW
authors.lastname: Gibbons
authors.forename: P
authors.initials: P
authors.lastname: Costello
mesh_terms: D000328:Adult; D002339:Carotid Arteries / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000196:embryology; D006801:Humans; D008297:Male; D011859:Radiography; D014463:Ultrasonography