From the case:
Bovine arch
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![This study is a stack](/packs/stack-YQKLCKBI.gif)
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![This study is a stack](/packs/stack-YQKLCKBI.gif)
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The left common carotid artery had a common origin with the right common carotid and subclavian arteries. Features are of a Bovine arch.
Case Discussion
This patient has an incidental finding of a bovine arch. While the common origin of the common carotids is termed bovine, it is actually a misnomer since cattle have a common origin of both common carotids and both subclavian vessels (which is not the case here).