Bovine arch

Case contributed by Vikas Shah
ct

Common origin of brachiocephalic trunk and left common carotid artery = bovine arch.

ct

Common origin of brachiocephalic trunk and left common carotid artery = bovine arch.

Case Discussion

This is a common variation of "normal" aortic arch anatomy, found in ~15% of people. The term bovine arch is a misnomer since this arrangement is not the typical finding in cattle.

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