Spinal Cord CompressionSpinal CanalSpinal StenosisCervical VertebraeSpinal CordSpondylosisEpendymaLaminectomySpinal Cord InjuriesLigamentum FlavumSpinal NeoplasmsArnold-Chiari MalformationDecompression, SurgicalSpinal Cord NeoplasmsSpinal Cord DiseasesThoracic VertebraeLumbar VertebraeMagnetic Resonance ImagingSyringomyeliaMyelographyPolyradiculopathyCauda EquinaEpidural NeoplasmsHaversian SystemSpinal DiseasesEpidural SpaceParaplegiaSemicircular CanalsSpinal FusionHematopoiesis, ExtramedullaryScheuermann DiseaseQuadriplegiaHematoma, Epidural, SpinalSpinal Nerve RootsEar CanalNerve Compression SyndromesLumbosacral RegionIntervertebral Disc DisplacementRadiculopathyTomography, X-Ray ComputedSpinal FracturesHyperostosisParaparesisTreatment OutcomeSpineRheumatic NoduleEpidural AbscessOsteochondromaRoot Canal PreparationBalloon EmbolectomySpinal OsteophytosisSpinal InjuriesCarotid StenosisOdontoid ProcessLongitudinal LigamentsNeurosurgical ProceduresRecovery of FunctionTuberculosis, SpinalArachnoid CystsAortic Valve StenosisBone NeoplasmsArachnoidExostoses, Multiple HereditaryInjections, SpinalDiphosphonatesBrown-Sequard SyndromeDura MaterHemangiomaData CompressionRetrospective StudiesSpinal Cord IschemiaImmunohistochemistryMotor NeuronsFractures, SpontaneousSpinal NervesCoronary StenosisRoot Canal IrrigantsDental Pulp CavityCervical AtlasIntervertebral DiscTime FactorsTracheal StenosisRoot Canal Filling MaterialsMyelitisFractures, CompressionAnesthesia, SpinalOssification of Posterior Longitudinal LigamentFatal OutcomeUmbilical CordPhrenic NerveAnterior Horn CellsParalysisDisease Models, AnimalLow Back PainConstriction, PathologicStockings, CompressionAxisRats, Sprague-DawleyNeck InjuriesOssification, Heterotopic