Histiocytosis, Langerhans-CellHistiocytosisHistiocytosis, SinusHistiocytic SarcomaHistiocytesEosinophilic GranulomaErdheim-Chester DiseaseDendritic CellsHistiocytosis, Non-Langerhans-CellXanthogranuloma, JuvenileLymphatic DiseasesLangerhans CellsSea-Blue Histiocyte SyndromeBone DiseasesOrbital DiseasesVulvar DiseasesAntigens, CD1Diabetes InsipidusPolydipsiaSkin DiseasesFatal OutcomeRemission, SpontaneousHistiocytic Disorders, MalignantPenile DiseasesVinblastineForeheadHypoaldosteronismTomography, X-Ray ComputedMucinosesBiopsyOrbital NeoplasmsCladribineMannose-Binding LectinsHypothalamic DiseasesPrednisoneSpinal DiseasesS100 ProteinsGranuloma, Lethal MidlineLung DiseasesLymph NodesLung Diseases, InterstitialExophthalmosAntigens, CD