title: Respiratory distress and hypoxemia in systemic mastocytosis.
abstract: A 25-year-old woman with documented mastocytosis developed hypoxemia with pruritus, diarrhea, headache, and hypotension on two separate occasions. The hypoxemia appeared to be related to a massive release of histamine. Resolution of the patient's symptoms was accompanied by the return of her arterial oxygen tension to normal levels.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000209:etiology*; D012128:Respiratory Distress Syndrome / Q000209:etiology*