Aberrant right subclavian artery

Case contributed by Dr Rania Adel Anan

Presentation

Incidental finding.

Patient Data

Age: 10 years
Gender: Female

Incidentally noted aberrant right subclavian artery arising from the distal aortic arch and coursing posterior to the esophagus. No stenosis. No detectable esophageal abnormality. 

The right common carotid artery arises directly from the aortic arch with a normal course.
The left common carotid and left subclavian arteries are normal.

The cardiac chambers are normally opacified.

Case Discussion

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

They are often asymptomatic and incidentally discovered as demonstrated in this case.

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