This site is targeted at medical and radiology professionals, contains user contributed content, and material that may be confusing to a lay audience. Use of this site implies acceptance of our Terms of Use.

Abberant right subclavian artery aneurysm

Case contributed by: Dr Lee-Anne Slater

Presentation:

Pre operative chest x-ray in a smoker.

Patient Data:

Age: 76
Gender: Male
Modality: X-ray

A well defined round to oval opacity noted in right paratracheal region.

Modality: CT

The right subclavian artery is arising from the arch of aorta directly posterior to the esophagus. There is round aneurysmal dilatation of right subclavian artery near its origin. The aneurysm is abutting and compressing the lateral wall of esophagus and posterior wall of trachea.

Case Discussion:

ARSA is the most common aortic arch anomaly and aneurysmal dilatation of proximal portion of aberrant right subclavian artery is common and referred to as Kommerell diverticulum which appears as bulbous enlargement of proximal subclavian artery at its origin from aortic arch, posterior to oesophagus.

Updating… Please wait.
Loadinganimation

 Details successfully updated.

Error Unable to process the form. Check for errors and try again.

 Thank you for updating your details.