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Fig. 1 | Insights into Imaging

Fig. 1

From: CT imaging of blunt chest trauma

Fig. 1

Occult pneumothorax. Axial CT at lung window shows a small occult pneumothorax (missed on chest radiography) at the anteromedial part of the left upper lobe (white arrow). There are also bilateral ground-glass opacities and areas of consolidation in both upper lobes consistent with lung contusions. Note the presence of numerous small confluent pneumatoceles (Swiss cheese appearance) in the anterior segment of the left upper lobe, consistent with lung laceration (black arrow). Note also the presence of small pneumomediastinum (dotted white arrow)

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