Bilateral arch origin of the vertebral arteries.
A case of bilateral anomalous origins of the vertebral arteries (VAs) is reported. Both VAs arose directly from the aortic arch between the left common carotid artery and the left subclavian artery. The possible embryologic mechanism and clinical importance of this previously unreported variant are reviewed.
Albayram
Sait
S
Division of Neuroradiology, The Johns Hopkins Hospital, Baltimore, MD 21287, USA.
Gailloud
Philippe
P
Wasserman
Bruce A
BA
D015901:Angiography, Digital Subtraction; D001013:Aorta, Thoracic / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D014711:Vertebral Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging