Blunt chest trauma: Swiss cheese sign
Road trauma. GCS15. Chest clinical examination: right breath sounds significantly reduced.
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Right pneumothorax secondary to rib fractures with contralateral mediastinal deviation. In the right upper lobe are three large parenchymal lacerations (pneumatocele) filled with blood; other small parenchymal lacerations are present in the right upper lobe and in the apical segment of the lower lobe of the same side (Swiss cheese sign).
Pulmonary contusions are seen in the right lung and in the apical segment of the lower lobe. Small right hemothorax.
Usually pneumatoceles have a benign course. In the case of superinfection surgery may be indicated.