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Fig. 5 | Insights into Imaging

Fig. 5

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

Fig. 5

Pneumothorax in the apicolateral space of a 77-year-old man. Esophageal perforation caused by endoscopic submucosal dissection for esophageal cancer resulted in pneumomediastinum, pneumothorax, and subcutaneous emphysema. a A supine radiograph shows the visceral pleural line (black arrows) in the apicolateral space. The black arrowheads indicate the parietal pleura. Pneumothorax in the anteromedial space (black asterisk) and subpulmonary space (white asterisk), pneumomediastinum, and subcutaneous emphysema (red oval) are also visible. No vascular markings exist beyond the visceral pleural line. Subcutaneous emphysema in the pectoralis major muscle shows a linear disposition that follows the direction of the muscle fibers. b A coronal CT image reveals the visceral pleural line (black arrow) and the lack of any structures in the pleural cavity. The parietal pleura (arrowhead), pneumothorax in the anteromedial space (black asterisk), and pneumothorax in the subpulmonary space (white asterisk) are also observed. c A coronal CT image shows a linear disposition of subcutaneous emphysema that follows the direction of the muscle fibers of the pectoralis major muscle (red ovals)

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