Fig. 6From: Computed tomography in the evaluation of vascular rings and slingsRight arch with mirror image branching and a left ductus arteriosus. a Schematic illustration of a right aortic arch with mirror image branching shows a left brachiocephalic artery giving a branch to the left common carotid and left subclavian arteries. b Coronal MIP image and c Volume-rendered 3D image in a patient with a right aortic arch (A) and mirror image branching pattern show a patent ductus arteriosus (white arrow) extending from the left brachiocephalic (L BC) artery to the left pulmonary artery (L PA) forming a ringBack to article page