Aortic arch origin of left vertebral artery

Case contributed by Dr Henry Knipe

Presentation

Altered conscious state secondary to subarachnoid haemorrhage.

Patient Data

Age: 60
Gender: Female
Modality: CT

Variant origin of left vertebral artery as the third branch off the aortic arch. 

Case Discussion

Origin of the left vertebral artery is classically from the left subclavian artery. However, ~5% of left vertebral arteries will have a variable origin with the most common being as a branch of the aortic arch 1

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Case Information

rID: 24291
Case created: 5th Aug 2013
Last edited: 30th Aug 2015
Inclusion in quiz mode: Excluded

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