LeukemiaLeukemia, Myeloid, AcuteLeukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidLeukemia, ExperimentalLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia Virus, MurinePrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, T-CellLeukemia, Monocytic, AcuteMoloney murine leukemia virusLeukemia, Hairy CellLeukemia, B-CellLeukemia L1210Leukemia Virus, BovineLeukemia Virus, FelineDelayed DiagnosisGene Expression Regulation, LeukemicLeukemia, Radiation-InducedMyeloid-Lymphoid Leukemia ProteinPrenatal DiagnosisEarly DiagnosisSensitivity and SpecificityLeukemia P388Acute DiseaseLeukemia, Biphenotypic, AcuteFriend murine leukemia virusLeukemia-Lymphoma, Adult T-CellCytarabineHL-60 CellsRetrospective StudiesPrognosisBone MarrowLeukemia, Megakaryoblastic, AcuteRemission InductionDiagnosisAntineoplastic AgentsFusion Proteins, bcr-ablAKR murine leukemia virusLeukemia, Myeloid, Chronic-PhaseTreatment OutcomePrecursor B-Cell Lymphoblastic Leukemia-LymphomaKaryotypingTime FactorsPolymerase Chain ReactionDaunorubicinLeukemia, Plasma CellTumor Cells, CulturedLeukemia, Myeloid, Accelerated PhaseK562 CellsLymphomaRecurrenceBase SequenceNeoplasm ProteinsLeukemia, Prolymphocytic, T-CellDiagnostic ErrorsMolecular Sequence DataCell LineChromosome AberrationsFollow-Up StudiesHuman T-lymphotropic virus 1MutationLeukemia, ProlymphocyticAntineoplastic Combined Chemotherapy ProtocolsLeukemic InfiltrationCore Binding Factor Alpha 2 SubunitRisk FactorsLeukemia, Myelomonocytic, JuvenileFatal OutcomeImmunophenotypingPredictive Value of TestsAsparaginaseBiopsyPhiladelphia ChromosomePrecursor T-Cell Lymphoblastic Leukemia-Lymphomafms-Like Tyrosine Kinase 3Tomography, X-Ray ComputedLeukemia, Basophilic, AcuteProspective StudiesCytogenetic AnalysisNeoplasm, ResidualApoptosisSurvival AnalysisInfant, NewbornLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeBone Marrow TransplantationGraft vs Leukemia EffectSurvival RateFlow CytometryAbelson murine leukemia virusReproducibility of ResultsPreleukemiaDiagnosis, Computer-AssistedLeukemia Inhibitory Factor Receptor alpha SubunitNursing DiagnosisDNA, NeoplasmCell Line, TumorGene RearrangementLeukemia, Large Granular LymphocyticCell Differentiation