Journal Title: تابستان 87 Article title: A Case Report of Aortic Arch Originating from the Left Vertebral Artery
Article PDF File: Page From: 86 To: 90
Article abstract: The vertebral artery (VA) originates from the first part of the subclavian artery. The incidence of the aberrant origin of the left VA directly from the aortic arch has been investigated in some societies and has been estimated to be from 1 to 5 percent. Aortic origin of the right vertebral artery is a rare variant. The incidence of this anomaly has not been reported in Iran. During a routine dissection of a white 30-year-old man, the VA originating from the left subclavian artery was not observed, but the aortic arch had an additional artery that had entered into the foramen transversarium of the 6th cervical vertebra. In assessment of the posterior cranial fossa both left and right VA were observed. Other subclavian branches and the origin of the right vertebral artery were normal. The lack of the left VA originating from the subclavian and the presence of an aortic arch originated artery with a similar path to VA, suggests the aberrant origin of the left VA from the aortic arch. The knowledge of these potential variations in the vertebral artery origin could prevent surgical complications or wrong diagnosis in supraaortic vascular surgery and diagnostic procedures like angiography.
Article KeyWords: Vertebral Artery, Variation, Arch of Aorta, Subclavian Artery
