Case: Chest radiograph #172960610
Chest Intermediate
Read this radiograph systematically before revealing the answer. What is the main abnormality?

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Answer: Pneumomediastinum
What to look for in pneumomediastinum
- Lucent streaks along the mediastinum.
- Continuous diaphragm sign.
- Neck emphysema.
Description by the image author (may be in another language): Thoracic distension with a clear gaseous border silhouetting the left edge of the mediastinum in relation to the pneumomediastinum in 4 month old infant
See all Pneumomediastinum cases →
Read the full guide: Pneumomediastinum and surgical emphysema →
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.

