Anomalous Left Vertebral Artery from Arch of Aorta: A Thought For Surgeons.

ABSTRACT

Arterial variations in the branching pattern of arch of aorta are uncommon and may occur as a result of developmental changes in the fusion and absorption of various pharyngeal arch arteries into the aortic sac. The present case report describes a finding in amale cadaver aged between 60- 65 years about the origin of left vertebral artery directly fromthe arch of aorta. Such variations should be kept inmind during surgical procedures in the superior mediastinum.