Langerhans cell histiocytosis specific to childhood MEDGEN:859249 UMLS:C3899655 MONDO:0017025 Orphanet:264724 histiocytosis X specific to childhood childhood Langerhans cell histiocytosis GARD:0025085 Langerhans cell histiocytosis that occurs during childhood. NANDO:2200031 NCIT:C114483 Langerhans cell granulomatosis specific to childhood Langerhans cell histiocytosis Langerhans cell histiocytosis