HistiocytesSea-Blue Histiocyte SyndromeLipidsHistiocytosisCell ProliferationHistiocytosis, Non-Langerhans-CellHistiocytosis, SinusHistiocytic SarcomaHistiocytosis, Langerhans-CellLipid MetabolismHistiocytic Disorders, MalignantErdheim-Chester DiseaseLipid ALymphatic DiseasesLipid BilayersGranuloma, Plasma CellHistiocytoma, Benign FibrousLymph NodesImmunohistochemistryGranulomaLipid PeroxidationPanniculitisCells, CulturedEpithelioid CellsLymphohistiocytosis, HemophagocyticMalacoplakiaXanthomatosisLymphadenitisMycobacterium scrofulaceumHistiocytic Necrotizing LymphadenitisImmunoenzyme TechniquesSignal TransductionBiopsyCell DivisionApoptosisCell DifferentiationLymphomaLipid PeroxidesCell Line, TumorHodgkin DiseaseHistocytochemistrySkinCell CycleMononuclear Phagocyte SystemT-LymphocytesSkin DiseasesRheumatoid NoduleStaining and LabelingMacrophages