Histiocytosis X.
D004803:Eosinophilic Granuloma; D040181:Genetic Diseases, X-Linked; D006646:Histiocytosis, Langerhans-Cell; D006801:Humans; D007943:Leukemia, Hairy Cell; D008206:Lymphatic Diseases; D016511:Severe Combined Immunodeficiency
EOSINOPHILIC GRANULOMA; HAND-SCHUELLER-CHRISTIAN SYNDROME; LETTERER-SIWE DISEASE; RETICULOENDOTHELIOSIS