DDX of vascular rings and slings

Approach to the DDX of vascular rings and slings:

  • Cause of anterior esophageal indentation – pulmonary sling
  • Causes of posterior esophageal indentaion – aberrant subclavian artery, double aortic arch
  • Causes of anterior airway indentation – double aortic arch, innominate artery compression
  • Cause of posterior airway indentation – pulmonary sling