Aberrant right subclavian artery with Kommerell diverticulum


Kommerell diverticulum usually refers to the bulbous configuration of the origin of an aberrant left subclavian artery in the setting of a right sided aortic arch. However, it was originally described as a diverticular outpouching at the origin of an aberrant right subclavian artery with a left sided aortic arch as in this case.