Abstract
Spontaneous pneumomediastinum (SP) is uncommon in children and adolescents. It can be associated with anorexia nervosa (AN), particularly in cases having a preceding history of vomiting. We highlight the case of a 15-year-old girl with SP as the presenting symptom of AN. She lost 10 kilograms (kg) over six months but denied vomiting. She complained of neck swelling and dysphagia. Physical examination revealed subcutaneous crepitations over the neck. X-rays confirmed subcutaneous emphysema and also revealed pneumomediastinum. The patient was managed with oxygen therapy as well as slow re-feeding. A subsequent chest X-ray showed complete resolution in 16 days.
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