Leukocyte CountBlood Cell CountMagnetic Resonance ImagingBrain NeoplasmsBrainErythrocyte CountLeukocytosisLeukocytesPlatelet CountHematologic TestsBlood CellsCell CountC-Reactive ProteinHematocritBiological MarkersCD4 Lymphocyte CountLeukemoid ReactionPrognosisLeukopeniaRisk FactorsHemoglobinsRetrospective StudiesErythrocytesProspective StudiesTime FactorsBlood SedimentationPredictive Value of TestsLymphocyte CountCohort StudiesTreatment OutcomePrecursor Cell Lymphoblastic Leukemia-LymphomaSpinal PunctureBone MarrowCerebrospinal FluidAcute DiseaseAppendicitisCapillary FragilityCytogeneticsLeukemia, Myeloid, AcuteNeutrophilsInflammationFeverFollow-Up StudiesFibrinogenfms-Like Tyrosine Kinase 3Erythrocyte IndicesJapanLymphocytesRemission InductionSurvival AnalysisInfant, NewbornBlood Chemical AnalysisHIV InfectionsCalcitoninMultivariate AnalysisGranulocyte Colony-Stimulating FactorSensitivity and SpecificityLeukemia, MyeloidInterleukin-6Cross-Sectional StudiesCytarabineSeverity of Illness IndexSepsisAge FactorsDaunorubicinROC CurveGranulocytesBacterial InfectionsHematopoiesisReference ValuesMeningitis, BacterialThrombocytopeniaBlast CrisisCase-Control StudiesAsparaginaseSpleenFlow CytometryHematologyReticulocyte CountPeritonitisAnemia, Sickle CellSmokingSplenomegalyRecurrence6-MercaptopurineSurvival RateHematopoietic Stem CellsIdarubicinFibrin Fibrinogen Degradation ProductsEuropean Continental Ancestry GroupPrecursor B-Cell Lymphoblastic Leukemia-LymphomaInfectionDose-Response Relationship, DrugRegression AnalysisBlood PlateletsAntineoplastic Combined Chemotherapy ProtocolsMeningitisIncidenceBody TemperaturePrimary Myelofibrosis