Aberrant right subclavian artery with background large vessel vasculitis (Takayasu arteritis)

Case contributed by Dr Ashok Kumar


Bilateral upper limb claudication.

Patient Data

Age: 40 years
Gender: Female

Study the following MR angiographic images and attempt the following questions

Aberrant right subclavian artery

Case Discussion

Instead of being the first branch, the right subclavian artery arises on its own as the fourth branch, after the left subclavian artery. It then hooks back posterior to oesophagus to reach the right side.

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Case information

rID: 21423
Published: 22nd Jan 2013
Last edited: 16th Jul 2018
System: Vascular, Chest
Inclusion in quiz mode: Included

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