Left Common Carotid Artery Arising From Brachiocephalic Trunk.

Arch of aorta branches into three – the Brachiocephalic trunk, the left common carotid artery and the left subclavian artery. The variations in the branching pattern of arch of aorta are usually incidental findings during surgeries and imaging studies and are important in aortic instrumentaion and head and neck surgeries. In the present case report the left common carotid artery originating from the brachiocephalic trunk and its significance is discussed.