title: Severe airways obstruction as a presenting feature of pulmonary histiocytosis-X: a case report.
abstract: A case of pulmonary histiocytosis-X is reported in which physiological changes of severe airways obstruction were a presenting feature and which illustrates the value of electron microscopy in the diagnosis of advanced histiocytosis.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000209:etiology*; D006646:Histiocytosis, Langerhans-Cell / Q000150:complications* / Q000473:pathology; D006801:Humans; D008168:Lung / Q000648:ultrastructure; D008171:Lung Diseases / Q000150:complications* / Q000473:pathology; D008297:Male