Hypoplastic vertebral artery

Case contributed by Dr David Cuete


History of Stroke days ago

Patient Data

Age: 40 years
Gender: Male

CTA Neck


Computed tomography angiography shows a hypoplastic right vertebral artery with a stenosis in the V1 segment. CT 3D angiogram. Left vertebral is large and dominant. Right vertebral is small and hypoplastic. The curved reformatted image demonstrates the entire length of a hypoplastic right VA

Case Discussion

Congenital vertebral artery (VA) hypoplasia is an uncommon embryonic variation of posterior circulation. The frequency of this congenital variation was reported to be 2-6% from autopsy and angiograms

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.