title: Histiocytosis X. A reappraisal of a nosological concept with some remarks about brain pathology.
mesh_terms: D000293:Adolescent; D000328:Adult; D001921:Brain / Q000473:pathology; D001927:Brain Diseases / Q000175:diagnosis / Q000473:pathology*; D002648:Child; D002675:Child, Preschool; D004803:Eosinophilic Granuloma / Q000473:pathology; D005260:Female; D006644:Histiocytes / Q000648:ultrastructure; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged