Fig. 9From: CT imaging of blunt chest traumaPneumomediastinum. Axial CT images at wide lung window show pneumomediastinum with the presence of septae within the air in the anterior mediastinum (black arrows) (a), and in the middle and posterior mediastinum (black arrows) (b). Note also a right pneumothorax, bilateral lower lobe atelectases and subcutaneous emphysema (a) and a right haemopneumothorax and left pneumothorax (b)Back to article page