Fig. 12From: Paediatric multi-detector row chest CT: what you really need to knowIncidental finding of an accessory right apical bronchus (pig bronchus) in a 3-month-old child with associated right aortic arch and an aberrant left subclavian artery (MinIP images, a and b), forming a vascular ring around the trachea, with tracheal compression (c, arrow). The pig bronchus is clearly demonstrated on coronal MPR image (c) and on the CT bronchogram image (d). Note also the widened carina angle. Scanning parameters: 80 kV, 86 eff mAs, 86 ref mAs, 2.72 CTDIvol, 38 DLPBack to article page