Fig. 2

Computed tomography scan of the thorax showed subcutaneous soft tissue emphysema and air dissecting through the neck and mediastinal spaces (a,b). Minimal pneumothorax (b–d), pneumorrhachis within the extradural space in the upper thoracic spine (c), and pneumopericardium (d) were also noted. Thin laceration of the right posterolateral wall of the trachea was detectable (e, arrow). Axial and coronal views showed reduction of volume and absence of air bronchogram of the lower lobe of the left lung (f,g)