title: Left aortic arch and right descending aorta: diagnostic and therapeutic implications of a rare type of vascular ring.
abstract: A 3-month-old infant with acute airway obstruction due to the combination of left aortic arch and right descending aorta with persistence of a right ligamentum arteriosum is presented. This is a rare form of a vascular ring and carries special diagnostic and therapeutic implications. Guidelines for diagnosis and surgical treatment are outlined.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D001013:Aorta, Thoracic / Q000002:abnormalities* / Q000601:surgery; D001027:Aortography; D003251:Constriction, Pathologic / Q000151:congenital; D006801:Humans; D007223:Infant; D008297:Male