Figure 031_4137.

Posteroanterior (PA) chest radiograph (A) and computed tomography scan (B) demonstrate pneumomediastinum (white arrows) and subcutaneous emphysema (red arrows).

Figure 031_4137.  Posteroanterior (PA) chest radiograph ( A ) and computed tomography scan ( B ) demonstrate pneumomediastinum (white arrows) and subcutaneous emphysema (red arrows).