title: Extensive subcutaneous emphysema complicating arthroscopy of knee.
mesh_terms: D000328:Adult; D001182:Arthroscopy / Q000009:adverse effects*; D004646:Emphysema / Q000209:etiology*; D006801:Humans; D007717:Knee; D008297:Male; D013352:Subcutaneous Emphysema / Q000209:etiology*