Right Aortic Arch With Aberrant Left Subclavian Artery

  • Etiology: congenital, ligamentum arteriosum completes the ring
  • Imaging: may have a Kommerell diverticulum which is bulbous configuration of origin of an aberrant left subclavian artery
  • UGI: posterior indentation on the esophagus
  • Clinical: second most common vascular ring

Cases of Right Aortic Arch With Aberrant Left Subclavian Artery

CXR of right aortic arch with aberrant left subclavian artery
CXR shows a right side aortic arch. Echocardiogram showed an aberrant left subclavian artery.