Aberrant right subclavian artery

Case contributed by Aliakbar Sahraei


Incidental finding

Patient Data

Age: 55 years
Gender: Female

CT shows an aberrant right subclavian artery. It arises on its own as the fourth branch, after the left subclavian artery. It then hooks back to reach the right side.

Case Discussion

Aberrant right subclavian arteries, also known as arteria lusoria, are the commonest of the aortic arch anomalies.

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.