Fig. 18From: Paediatric multi-detector row chest CT: what you really need to knowVRT (a) and MaxIP images (b) in a 1.5-year-old child show a (right-sided dominant) double aortic arch that encircles the trachea and oesophagus causing narrowing of the trachea at this level and extends down to the carina seen on the MinIP image (c). Scanning parameters: 80 kV, 39 eff mAs, 150 ref mAs, 0.67 CTDIvol, 9 DLPBack to article page