HistiocytesLymphoma, Large B-Cell, DiffuseLymphoma, B-CellEosinophilsProto-Oncogene Proteins c-bcl-6Germinal CenterSea-Blue Histiocyte SyndromeAntibodies, Monoclonal, Murine-DerivedLymphoma, FollicularVincristineChemotherapy-Induced Febrile NeutropeniaLymphoma, Non-HodgkinPrednisoneB-LymphocytesLymphoma, B-Cell, Marginal ZoneCARD Signaling Adaptor ProteinsDoxorubicinCyclophosphamideTranslocation, GeneticLymphomaEpstein-Barr Virus InfectionsLymphoproliferative DisordersHistiocytosisImmunohistochemistryFatal OutcomeAntineoplastic Combined Chemotherapy ProtocolsEosinophil PeroxidasePrognosisEosinophil Granule ProteinsTreatment OutcomeLymphoma, Large-Cell, ImmunoblasticProto-Oncogene Proteins c-bcl-2Tumor Markers, BiologicalHistiocytosis, Non-Langerhans-CellCell Line, TumorHistiocytosis, SinusGene Expression Regulation, NeoplasticGene Expression ProfilingRetrospective StudiesHistiocytic SarcomaAntigens, CD79Mediastinal NeoplasmsHistiocytosis, Langerhans-CellDNA-Binding ProteinsHistiocytic Disorders, MalignantChemotactic Factors, EosinophilMyelin and Lymphocyte-Associated Proteolipid ProteinsHodgkin DiseaseErdheim-Chester DiseaseLymphoma, T-Cell, PeripheralAntigens, CD20ImmunophenotypingLymphatic DiseasesLymphoma, T-CellInterleukin-5EosinophiliaLymph NodesEosinophil Cationic ProteinImmunoglobulin Heavy ChainsB-Lymphocyte SubsetsGranuloma, Plasma CellChemokine CCL11Eosinophil Major Basic ProteinHistiocytoma, Benign FibrousGranulomaHerpesvirus 4, HumanAntibodies, MonoclonalSurvival AnalysisBiopsyEosinophil-Derived NeurotoxinNeprilysinImmunoenzyme TechniquesPanniculitisAntigens, CD5Epithelioid CellsRemission InductionSpleenLymphohistiocytosis, HemophagocyticMalacoplakiaXanthomatosisLymphadenitisMycobacterium scrofulaceumAntigens, CDHistiocytic Necrotizing LymphadenitisFlow CytometryPolymerase Chain ReactionLymphocyte ActivationHistocytochemistryBone MarrowLymphoid TissueBurkitt LymphomaInterferon Regulatory FactorsReed-Sternberg CellsGene Rearrangement, B-LymphocyteMutationChromosomes, Human, Pair 18RibonucleasesReceptors, CCR3Chemokines, CCImmunoglobulin M