PMC6644234_01
Chest X-ray showing tracheal and proximal bronchi dilation (red arrows) and pneumomediastinum (blue arrows).
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fig1
Enlargement of the trachea and a pneumomediastinum were detected in the chest radiograph (Figure 1).
CT scan showing tracheal and both main bronchi dilation with associated pneumomediastinum.
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fig2
The chest computed tomographic (CT) scan showed tracheobronchomegaly with an increase in the transverse diameter of the trachea and right and left main bronchi measured at 32, 26, and 25 mm, respectively (Figure 2).
CT scan showing bronchiectasis, bullous emphysema, and fibrosis.
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fig3
Bronchiectasis was noted in the bilateral lungs, bullous emphysema was noted in the bilateral upper lobes, and fibrosis was detected in the bilateral lower lobes (Figure 3).
Control CT scan showing regression of the pneumomediastinum.
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fig4
The patient made good progress with high flow oxygenotherapy administered for 8 days, and the pneumomediastinum remitted in the control CT scan (Figure 4).