Bifid origin of the left vertebral artery.
Two patients demonstrating a bifid origin of the left vertebral artery are described. The embryologic origin of this anomaly is reviewed together with diagnostic and therapeutic implications, emphasizing the importance of knowledge and recognition of the anomaly. It is suggested that this anomaly is not as rare as previously thought.
D000328:Adult; D001013:Aorta, Thoracic / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography; D014711:Vertebral Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging