Bovine arch

Case contributed by Paresh K Desai
Diagnosis almost certain


Had a stroke. Planned for MR angiography.

Patient Data

Age: 40 years
Gender: Male

Bovine arch

Case Discussion

MR angio of neck vessels reveals "Bovine Arch"

There is a common origin of inominate and left common carotid arteries. this is not a true bovine arch and is rather found in cats.

True Bovine arch has a single branchiocephalic trunk giving off both subclavians and a common bicarotid trunk.

More appropriate proposed names are feline/ Canine/ lapine arch.

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