HistiocytesEosinophilsSea-Blue Histiocyte SyndromeHistiocytosisEosinophil PeroxidaseEosinophil Granule ProteinsHistiocytosis, Non-Langerhans-CellHistiocytosis, SinusHistiocytic SarcomaHistiocytosis, Langerhans-CellHistiocytic Disorders, MalignantChemotactic Factors, EosinophilErdheim-Chester DiseaseLymphatic DiseasesEosinophiliaInterleukin-5Eosinophil Cationic ProteinGranuloma, Plasma CellChemokine CCL11Eosinophil Major Basic ProteinHistiocytoma, Benign FibrousGranulomaEosinophil-Derived NeurotoxinLymph NodesPanniculitisEpithelioid CellsLymphohistiocytosis, HemophagocyticMalacoplakiaXanthomatosisMycobacterium scrofulaceumLymphadenitisHistiocytic Necrotizing LymphadenitisLymphomaBiopsyImmunoenzyme TechniquesImmunohistochemistryHodgkin DiseaseRibonucleasesHistocytochemistryReceptors, CCR3Pulmonary EosinophiliaTh2 CellsMutationChemokine CCL24Chemokines, CCAsthmaMononuclear Phagocyte SystemSkin DiseasesRheumatoid NoduleSkinMicroscopy, ElectronLeukocyte CountStaining and Labeling