Spinal Cord NeoplasmsFracture Fixation, IntramedullarySpinal CordEpendymomaLaminectomySpinal Cord InjuriesHemangioblastomaSyringomyeliaAstrocytomaBone NailsNeurosurgical ProceduresSpinal Cord DiseasesMagnetic Resonance ImagingFemoral FracturesTibial FracturesSpinal Cord CompressionFracture HealingFractures, OpenSpinal Cord IschemiaLeg Length InequalityBrain NeoplasmsCervical VertebraeFractures, UnunitedThoracic VertebraeTuberculomaExternal FixatorsFractures, ClosedInjections, SpinalSpinal NeoplasmsTreatment OutcomeFemurBone PlatesBrain ChemistrySpinal CanalParaplegiaUlna FracturesDiaphysesFractures, ComminutedSpinal Nerve RootsTibiaTumor Markers, BiologicalBony CallusSpinal NervesMyelitisBrain InjuriesTime FactorsBone WiresRetrospective StudiesMyelographyRats, Sprague-DawleyMotor NeuronsRecovery of FunctionDisease Models, AnimalSpinal Cord RegenerationBone ScrewsImmunohistochemistryHumeral FracturesTumor Necrosis Factor-alphaParaparesisFractures, MalunitedNeoplasmsPancreatic NeoplasmsFracture Fixation, InternalTumor BurdenSpinal Cord Vascular DiseasesFemoral NeoplasmsBone LengtheningCell Line, TumorQuadriplegiaIlizarov TechniqueAnesthesia, SpinalBone NeoplasmsNeoplasms, ExperimentalFractures, SpontaneousPseudarthrosisOsteogenesis, DistractionNeuronsArthrodesisTractionFracture FixationEmbolism, FatSpinal DiseasesBrain MappingBrain StemBrainUmbilical CordBone MalalignmentSpinal FusionInternal FixatorsFollow-Up StudiesNeurilemmomaPosterior Horn CellsMicrosurgeryNeoplasms, Multiple PrimaryPostoperative ComplicationsClavicleMice, Inbred C57BLAxonsWilms TumorReoperation