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Age: 16

Sex: Male

Indication: Chest pain

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Case #8


Findings

  • Pneumomediastinum tracking into the neck and right supraclavicular region
  • Linear lucency overlying the right lung apex


Diagnosis

  • Pneumomediastinum

Sample Report

Pneumomediastinum tracking into the neck and right supraclavicular region. Linear lucency overlying the right lung apex is favored to represent gas in the chest wall soft tissues.

No pneumothorax.

No edema or airspace disease. No pleural effusions.


Discussion

  • Pneumomediastinum can result from many causes including increased intrathoracic pressure from obstructive airways disease and blunt or penetrating trauma
  • Vertically oriented linear lucencies extending into the neck (as seen in this case) is the most common appearance, though any abnormal outlining of mediastinal structures should raise concern for pneumomediastinum
  • Sometimes pneumomediastinum can be difficult to distinguish from medial pneumothorax on radiographs. CT can help sort this out if needed



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