PMC6818344_01
Cross section Chest CT showing pneumomediastinum, partial bilateral pneumothorax, important anteroposterior subcutaneous emphysema and epidural emphysemain a 29-year-old asthmatic patient (vascular sheath's linear air collections: red arrow). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
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Diagnosis was established by chest radiograph in all cases (Fig. 1, Fig. 2, Fig. 3). Synchronous pneumothorax was found in 5 cases and it was bilateral in 2 patients (Fig. 1, Fig. 2). It was cervical in one case, cervico-thoracic in 9 cases and cervico-thoraco-retroperitoneal associated with epidural emphysema in an asthmatic patient (Fig. 1).
Chest radiograph showing signs of pneumomediastinum and subcutaneous emphysema in soft tissues following a dive in a 15-year-old-patient.
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Diagnosis was established by chest radiograph in all cases (Fig. 1, Fig. 2, Fig. 3).