Fig. 2

A 44-year-old man with silicosis and CPOD (chronic pulmonary obstructive disease), with an upper right lobe nodule, who developed secondary pneumothorax after biopsy; the lung did not expand with drainage, due to the development of broncho-pleural fistula; the drain was accidentally removed and the patient developed rapidly progressive emphysema. a Axial CT scan in lung windows depicts extensive subcutaneous emphysema and pneumomediastinum. b Axial CT scan 5 days later, shows that all ectopic air has been reabsorbed