title: Histiocytosis X.
mesh_terms: D004803:Eosinophilic Granuloma; D040181:Genetic Diseases, X-Linked; D006646:Histiocytosis, Langerhans-Cell; D006801:Humans; D007943:Leukemia, Hairy Cell / Q000000981:diagnostic imaging*; D008206:Lymphatic Diseases / Q000000981:diagnostic imaging*; D011859:Radiography; D016511:Severe Combined Immunodeficiency
keywords: EOSINOPHILIC GRANULOMA; HAND-SCHUELLER-CHRISTIAN SYNDROME; LETTERER-SIWE DISEASE; RETICULOENDOTHELIOSIS/radiography