Subclavian steal effect

Case contributed by Roberto Schubert
Diagnosis certain

Presentation

Transient ischemic attacks

Patient Data

Age: 80 years
Gender: Female
mri

High grade left proximal subclavian artery stenosis with signal loss of the left VA on time-of-flight images due to flow reversal.

Case Discussion

The normal antegrade flow signal of the left VA is missing in the 3D TOF images. On time-resolved 3D CE-MRA, the vessel shows delayed, retrograde contrast filling.

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.