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Insights into Imaging
Fig. 15 | Insights into Imaging

Fig. 15

From: Thoracic abnormal air collections in patients in the intensive care unit: radiograph findings correlated with CT

Fig. 15

Pneumomediastinum and pneumopericardium in a 3-day-old girl with pulmonary atresia. Pneumomediastinum is caused by the obstruction and check valve effect of the tracheal tube with pulmonary secretions. a A supine radiograph shows the “spinnaker sail” sign with thymus elevation (asterisks) by pneumomediastinum (arrows). Pneumopericardium (arrowheads) is also visible. b A coronal CT image reveals pneumomediastinum (arrows) surrounding the thymus (asterisks) and pneumopericardium (arrowheads)

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