HistiocytesEosinophilsSea-Blue Histiocyte SyndromeHistiocytosisEosinophil PeroxidaseEosinophil Granule ProteinsHistiocytosis, Non-Langerhans-CellHistiocytosis, SinusHistiocytic SarcomaHistiocytosis, Langerhans-CellHistiocytic Disorders, MalignantChemotactic Factors, EosinophilLymphocytesErdheim-Chester DiseaseLymphatic DiseasesInterleukin-5EosinophiliaEosinophil Cationic ProteinLymph NodesGranuloma, Plasma CellChemokine CCL11Eosinophil Major Basic ProteinLymphoid TissueGranulomaHistiocytoma, Benign FibrousEosinophil-Derived NeurotoxinLymphomaPanniculitisEpithelioid CellsLymphohistiocytosis, HemophagocyticMalacoplakiaXanthomatosisMycobacterium scrofulaceumLymphadenitisSpleenHistiocytic Necrotizing LymphadenitisBiopsyImmunoenzyme TechniquesHodgkin DiseaseImmunohistochemistryB-LymphocytesHistocytochemistryT-LymphocytesBone MarrowLeukocyte CountRibonucleasesReceptors, CCR3Pulmonary EosinophiliaAntibodies, MonoclonalSkinChemokine CCL24Chemokines, CCAsthmaStaining and LabelingMononuclear Phagocyte SystemSkin DiseasesRheumatoid NoduleMicroscopy, ElectronReed-Sternberg CellsMacrophagesLungAntigens, CD