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Insights into Imaging
Fig. 16 | Insights into Imaging

Fig. 16

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

Fig. 16

Pneumomediastinum in a 50-year-old man. The pneumomediastinum was caused by tracheostomy displacement. a A supine radiograph shows pneumomediastinum and subcutaneous emphysema. Air along the left aortic border and the medial left hemidiaphragm become V-shaped (i.e., “Naclerio’s V” sign) (arrows). The “continuous diaphragm” sign (arrowheads) is also visible. b A coronal CT image of the lung base reveals “Naclerio’s V” sign (arrows). c Another coronal CT image of the lung base reveals a “continuous diaphragm” sign (arrowheads)

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