Pulmonary Contusion

In this patient, note the irregular, soft, fluffy opacification at the right heart border suggestive of a medial right lower lobe pulmonary contusion.

Active Tuberculosis

Cavitation in apical regions and posterior segments of upper lobe plus or minus calcification. [courtesy of Dr. M. Hutcheon]

Tension Pneumothorax

In addition to the features of an uncomplicated pneumothorax, note the marked mediastinal shift to the left in this young patient with a right tension pneumothorax.

Pneumothorax – Pleural Disease

The patient’s left pneumothorax is more difficulty to diagnose on this supine film. This study demonstrates the “deep sulcus” sign, with the left costophrenic sulcus descending below the edge of the film. Other clues include a hyperlucent left...