Fig. 12
From: Demystifying the persistent pneumothorax: role of imaging
An 83-year-old smoker with chest pain and recurrent pneumothorax. Frontal chest radiograph on admission (a) demonstrates a large right pneumothorax (pleural interface marked by white arrows). Axial chest CT minimum intensity projection (minIP) image (b) demonstrates discontinuity of the walls of a bulla (solid black arrow) compatible with a ruptured bulla