title: Radiology case of the month. Pneumomediastinum; facial, cervical, and left supraclavicular soft tissue emphysema.
mesh_terms: D000328:Adult; D003755:Dental High-Speed Technique / Q000009:adverse effects*; D004646:Emphysema / Q000209:etiology*; D005151:Facial Injuries / Q000209:etiology*; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging* / Q000209:etiology*; D019838:Neck Injuries; D011859:Radiography; D014081:Tooth Extraction / Q000009:adverse effects*