A 5-year-old male with a history of frequent upper respiratory infections presented following a motor vehicle crash as an unrestrained, ejected passenger. CT of the chest and abdomen showed a small liver laceration, mul-tifocal peripheral lung opacities (fig. 1, black arrows) and extensive lung laceration (fig. 1, white arrow). The patient required supplemental oxygen, but no surgical intervention. Due to fever, the patient underwent bronchoscopy revealing hemorrhagic large airways, and bronchoalveo-lar lavage showed erythrocytes and few inflammatory cells; all stains and cultures were negative for microorganisms. After 72 h, an air-fluid level worsened within the posterior lung cyst. Following treatment with antibiotics, repeat imaging showed complete resolution of lung contusions and improvement of the laceration.
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