Plasma CellsLeukemiaLeukemia, Plasma CellLeukemia, Myeloid, AcuteNeoplasms, Plasma CellLeukemia, Lymphocytic, Chronic, B-CellPlasmaLeukemia, LymphoidMultiple MyelomaLeukemia, ExperimentalLeukemia, Myelogenous, Chronic, BCR-ABL PositiveParaproteinemiasLeukemia Virus, MurineGranuloma, Plasma CellPrecursor Cell Lymphoblastic Leukemia-LymphomaPlasmacytomaB-LymphocytesBone MarrowLeukemia, T-CellLeukemia, Monocytic, AcuteLeukemia, Hairy CellLeukemia, B-CellMoloney murine leukemia virusLeukemia L1210Syndecan-1Leukemia Virus, BovineLeukemia Virus, FelineTime FactorsSensitivity and SpecificityCell DifferentiationDelayed DiagnosisGene Expression Regulation, LeukemicFlow CytometryPrognosisPrenatal DiagnosisAcute DiseaseImmunophenotypingLeukemia, Radiation-InducedImmunoglobulin GEarly DiagnosisMyeloid-Lymphoid Leukemia ProteinImmunoglobulinsMonoclonal Gammopathy of Undetermined SignificanceLeukemia P388Immunoglobulin MRetrospective StudiesCell MembraneMolecular Sequence DataTreatment OutcomeLeukemia, Biphenotypic, AcuteImmunoglobulin AAntineoplastic AgentsCell LineLymphomaGerminal CenterRemission InductionTumor Cells, CulturedBase SequenceFriend murine leukemia virusPolymerase Chain ReactionAntigens, CDHL-60 CellsCytarabineKaryotypingBiopsyLeukemia-Lymphoma, Adult T-CellAntibodies, MonoclonalAntigens, CD38Antigens, CD19AmyloidosisNeoplasm ProteinsImmunoglobulin Light ChainsB-Lymphocyte SubsetsBiological MarkersLeukemia, Megakaryoblastic, AcuteMutationImmunoglobulin Heavy ChainsPalatine TonsilDiagnosisLymphocytesSpleenFusion Proteins, bcr-ablCells, CulturedImmunohistochemistryAKR murine leukemia virusLeukemia, Myeloid, Chronic-PhasePlasma Cell Granuloma, PulmonaryPlasma GasesChromosome AberrationsApoptosisPrecursor B-Cell Lymphoblastic Leukemia-LymphomaImmunoglobulin lambda-ChainsRecurrenceFatal OutcomeReceptors, Antigen, B-CellRNA, MessengerFollow-Up StudiesProspective StudiesCell Line, TumorRisk Factors