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Anomalous origin of the left vertebral artery: a case report

Authors:Gopal G.Bagal, Ramdas Surwase
Int J Biol Med Res. 2015; 6(3): 5191-5193  |  PDF File

Abstract

This paper presents and describes the anatomical variation of the left vertebral artery originating from the arch of aorta as a case report. This variation was found in one of the male cadaver during routine dissection in anatomy department. Although,the vertebral artery is classically described as the first branch of the ipsilateral subclavian artery, multiple variations in the origin of that vessels have been reported in the literature. The incidence of anomalous origin of the left vertebral artery from the aortic arch ranges between 1% and 5.8%. In this case we observed an atypical origin of the left vertebral artery. Atypical origin was compared to the typical origin of the left vertebral artery in the anatomical literature. We compare our findings with different possible variations of the origin of the left vertebral artery reported in the literature. The clinical importance of variation is discussed