title: Unusual dissection of the proximal vertebral artery: description of three cases.
abstract: We report three cases that reveal an array of etiologic and radiologic findings associated with dissection of the proximal segment of the vertebral arteries. Regardless of etiology, the proximal segment may be the principal site of dissection in these vessels.
authors.affiliation: Department of Radiology, Jefferson Medical College and Thomas Jefferson University Hospital, Philadelphia, PA 19107.
authors.forename: D P
authors.initials: DP
authors.lastname: Friedman
authors.forename: A E
authors.initials: AE
authors.lastname: Flanders
mesh_terms: D000328:Adult; D000784:Aortic Dissection / Q000175:diagnosis / Q000209:etiology*; D002684:Chiropractic; D006801:Humans; D014854:Lateral Medullary Syndrome / Q000150:complications*; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D014711:Vertebral Artery