Cervical emphysema, pneumomediastinum, and retroperitoneal gas after sigmoidoscopy.
D000293:Adolescent; D004646:Emphysema / Q000209:etiology* / Q000628:therapy; D005260:Female; D005740:Gases; D006801:Humans; D008478:Mediastinal Emphysema / Q000209:etiology; D009333:Neck; D012187:Retroperitoneal Space; D012812:Sigmoidoscopy / Q000009:adverse effects*
D005740:Gases