Leukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemiaSpinal CordLeukemia, Myeloid, AcuteSpinal Cord InjuriesLeukemia, B-CellLeukemic InfiltrationAsparaginaseLeukemia, T-CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveVidarabinePrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemia, Biphenotypic, AcuteB-LymphocytesMethotrexateBone MarrowRemission, SpontaneousLymphocytes, NullGene Expression Regulation, LeukemicCytarabineVincristineAntineoplastic Agents6-MercaptopurineRemission InductionLeukemia, ExperimentalImmunoglobulin Heavy ChainsLeukemia-Lymphoma, Adult T-CellReceptors, Antigen, B-CellZAP-70 Protein-Tyrosine KinaseLymphomaBurkitt LymphomaAntineoplastic Combined Chemotherapy ProtocolsChlorambucilPrognosisLeukemia, Hairy CellRosette FormationChromosomes, Human, 6-12 and XAnisocoriaDNA, NeoplasmPhiladelphia ChromosomeKaryotypingLymphocytesCorneal PerforationTreatment OutcomeLeukemia Virus, MurineBlast CrisisCyclophosphamideInjections, SpinalTumor Cells, CulturedAntibodies, MonoclonalAcute DiseaseChromosome AberrationsTime FactorsT-LymphocytesCladribineAntigens, NeoplasmRecurrenceTranslocation, GeneticAntigens, CD5Drug Administration ScheduleDNA NucleotidylexotransferaseLeukemia, MyeloidFusion Proteins, bcr-ablAntigens, CD38Flow CytometryDrug Resistance, NeoplasmImmunoglobulin Variable RegionChromosomes, Human, Pair 14NeprilysinBone Marrow TransplantationSpinal NervesNeoplasm ProteinsPrednisoneDaunorubicinMutationAnesthesia, SpinalBase SequenceSpinal Cord DiseasesAntigens, SurfaceSurvival AnalysisDexamethasoneMolecular Sequence DataLeukemia, Prolymphocytic, T-CellAntibodies, Monoclonal, Murine-DerivedSpinal Cord NeoplasmsSpinal Nerve RootsCyclin-Dependent Kinase Inhibitor p15Survival RateApoptosisLeukemia, Monocytic, AcutePolymerase Chain ReactionSpinal CanalSalvage TherapyLeukemia L1210ImmunophenotypingLeukemia, Large Granular LymphocyticChromosomes, Human, Pair 9Spinal Cord Compression