Histiocytosis, Langerhans-CellHistiocytosisEosinophilic GranulomaHistiocytosis, SinusErdheim-Chester DiseaseHistiocytesHistiocytic SarcomaXanthogranuloma, JuvenileHistiocytosis, Non-Langerhans-CellLangerhans CellsBone DiseasesVulvar DiseasesOrbital DiseasesAntigens, CD1Lymphatic DiseasesDiabetes InsipidusPolydipsiaSea-Blue Histiocyte SyndromePenile DiseasesSkin DiseasesForeheadVinblastineHypoaldosteronismFatal OutcomeRemission, SpontaneousOrbital NeoplasmsTomography, X-Ray ComputedCladribinePrednisoneSpinal DiseasesBiopsyMannose-Binding LectinsLung Diseases, InterstitialS100 ProteinsLung DiseasesMagnetic Resonance ImagingLungImmunohistochemistry