Cervical mediastinal emphysema.
D000293:Adolescent; D000328:Adult; D004646:Emphysema / Q000209:etiology*; D005260:Female; D050724:Fractures, Cartilage / Q000150:complications; D006801:Humans; D007223:Infant; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D009333:Neck; D011175:Positive-Pressure Respiration / Q000009:adverse effects*; D011859:Radiography; D013898:Thoracic Injuries / Q000150:complications; D013957:Thyroid Cartilage / Q000293:injuries; D014947:Wounds and Injuries / Q000150:complications*