PMC5347491_01
Plain chest X-ray showing linear air lucency on the left border of mediastinum (arrows) and subcutaneous emphysema in the supraclavicular area and the neck.
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On admission to the ICU, crackles of subcutaneous emphysema were palpable on the neck, and pneumomediastinum was detected on the chest X-ray (Figure 1).
(a) Axial and (b) coronal CT scans demonstrating pneumomediastinum and subcutaneous emphysema in the neck (arrows).
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The finding was confirmed by a computed tomography (CT) scan which showed an 8-mm wide pneumomediastinum, subcutaneous emphysema of the neck together with atelectasis and consolidation in the lower segments of the left lung (Figure 2).