Spinal Cord CompressionSpinal CanalSpinal StenosisCervical VertebraeSpondylosisSpinal CordLaminectomySpinal NeoplasmsLigamentum FlavumArnold-Chiari MalformationSpinal Cord InjuriesDecompression, SurgicalSpinal Cord NeoplasmsThoracic VertebraeLumbar VertebraeSpinal Cord DiseasesMagnetic Resonance ImagingMyelographyPolyradiculopathyCauda EquinaSpinal DiseasesEpidural NeoplasmsEpidural SpaceParaplegiaSpinal FusionHematopoiesis, ExtramedullarySpineScheuermann DiseaseQuadriplegiaHematoma, Epidural, SpinalLumbosacral RegionSpinal Nerve RootsSpinal FracturesNerve Compression SyndromesIntervertebral Disc DisplacementTomography, X-Ray ComputedRadiculopathyParaparesisTreatment OutcomeHyperostosisRheumatic NoduleEpidural AbscessSpinal InjuriesOsteochondromaSpinal OsteophytosisTuberculosis, SpinalBalloon EmbolectomyOdontoid ProcessCarotid StenosisLongitudinal LigamentsNeurosurgical ProceduresRecovery of FunctionSemicircular CanalsBone NeoplasmsArachnoid CystsAortic Valve StenosisExostoses, Multiple HereditaryDiphosphonatesArachnoidInjections, SpinalCervical AtlasDura MaterBrown-Sequard SyndromeHemangiomaIntervertebral DiscFractures, CompressionFractures, SpontaneousRetrospective StudiesData CompressionEar CanalSpinal Cord IschemiaSpinal NervesMotor NeuronsCoronary StenosisSacrumTime FactorsKyphosisTracheal StenosisOssification of Posterior Longitudinal LigamentMyelitisFatal OutcomeAnesthesia, SpinalUmbilical CordPhrenic NerveAnterior Horn CellsLow Back PainInternal FixatorsDisease Models, AnimalParalysisStockings, CompressionConstriction, PathologicScoliosisOssification, HeterotopicRats, Sprague-DawleyRoot Canal PreparationNeck InjuriesVertebroplastyAxisForelimbAtlanto-Axial Joint