Aberrant right subclavian artery

Case contributed by Dr Aliakbar Sahraei

Presentation

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.

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