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-LymphocytesMethotrexateRemission, SpontaneousBone MarrowLymphocytes, NullGene Expression Regulation, LeukemicCytarabineVincristine6-MercaptopurineImmunoglobulin Heavy ChainsLeukemia, ExperimentalLeukemia-Lymphoma, Adult T-CellRemission InductionAntineoplastic AgentsReceptors, Antigen, B-CellZAP-70 Protein-Tyrosine KinaseBurkitt LymphomaLymphomaChlorambucilLeukemia, Hairy CellPrognosisRosette FormationAntineoplastic Combined Chemotherapy ProtocolsChromosomes, Human, 6-12 and XAnisocoriaPhiladelphia ChromosomeKaryotypingDNA, NeoplasmCorneal PerforationLymphocytesLeukemia Virus, MurineBlast CrisisCladribineChromosome AberrationsTranslocation, GeneticAntigens, NeoplasmTumor Cells, CulturedAntigens, CD5Injections, SpinalDNA NucleotidylexotransferaseAcute DiseaseT-LymphocytesRecurrenceAntibodies, MonoclonalAntigens, CD38Fusion Proteins, bcr-ablCyclophosphamideLeukemia, MyeloidImmunoglobulin Variable RegionTreatment OutcomeChromosomes, Human, Pair 14Drug Resistance, NeoplasmNeprilysinFlow CytometrySpinal NervesNeoplasm ProteinsSpinal Cord DiseasesDaunorubicinBone Marrow TransplantationAntigens, SurfaceMutationAnesthesia, SpinalBase SequencePrednisoneTime FactorsLeukemia, Prolymphocytic, T-CellSurvival AnalysisMolecular Sequence DataSpinal Cord NeoplasmsCyclin-Dependent Kinase Inhibitor p15Spinal Nerve RootsLeukemia, Monocytic, AcuteSpinal CanalAntibodies, Monoclonal, Murine-DerivedDexamethasoneLeukemia, Large Granular LymphocyticChromosomes, Human, Pair 9Polymerase Chain ReactionDrug Administration ScheduleImmunophenotypingChromosomes, Human, Pair 13Leukemia L1210Spinal Cord CompressionSurvival RateSalvage Therapy