Histiocytosis, Langerhans-CellHistiocytosisLangerhans CellsEosinophilic GranulomaHistiocytosis, SinusHistiocytesXanthogranuloma, JuvenileErdheim-Chester DiseaseHistiocytic SarcomaVulvar DiseasesBone DiseasesAntigens, CD1Orbital DiseasesHistiocytosis, Non-Langerhans-CellDiabetes InsipidusPolydipsiaLymphatic DiseasesPenile DiseasesVinblastineRemission, SpontaneousSkin DiseasesOrbital NeoplasmsPrednisoneSea-Blue Histiocyte SyndromeFatal OutcomeMannose-Binding LectinsTomography, X-Ray ComputedBiopsySkinMagnetic Resonance ImagingIslets of LangerhansPentetic AcidAntineoplastic Agents, PhytogenicEpidermis