Histiocytosis X.
D001847:Bone Diseases; D002675:Child, Preschool; D004803:Eosinophilic Granuloma; D006646:Histiocytosis, Langerhans-Cell; D006801:Humans; D007223:Infant; D008206:Lymphatic Diseases / Q000401:mortality / Q000473:pathology; D011379:Prognosis