Spinal Cord CompressionSpinal CanalSpinal StenosisCervical VertebraeSpinal CordSpondylosisLaminectomySpinal NeoplasmsLigamentum FlavumSpinal Cord InjuriesArnold-Chiari MalformationThoracic VertebraeSpinal Cord NeoplasmsDecompression, SurgicalSpinal FusionSpinal Cord DiseasesLumbar VertebraeMagnetic Resonance ImagingMyelographySpinal DiseasesPolyradiculopathyCauda EquinaScoliosisSpinal Cord Vascular DiseasesEpidural NeoplasmsSpineEpidural SpaceParaplegiaKyphosisOrthopedic Fixation DevicesHematopoiesis, ExtramedullaryLongitudinal LigamentsSpinal Nerve RootsSpinal FracturesQuadriplegiaHematoma, Epidural, SpinalScheuermann DiseaseLumbosacral RegionTreatment OutcomeNerve Compression SyndromesInternal FixatorsIntervertebral Disc DisplacementRadiculopathyTomography, X-Ray ComputedBone ScrewsParaparesisHyperostosisInjections, SpinalSpinal InjuriesRetrospective StudiesEpidural AbscessRheumatic NoduleInfarctionTuberculosis, SpinalSpinal OsteophytosisOsteochondromaSpinal NervesBalloon EmbolectomyRecovery of FunctionNeurosurgical ProceduresCarotid StenosisOdontoid ProcessSemicircular CanalsArachnoid CystsAortic Valve StenosisBone NeoplasmsAnesthesia, SpinalArachnoidSpinal Cord IschemiaExostoses, Multiple HereditaryDura MaterMotor NeuronsDiphosphonatesBrown-Sequard SyndromePostoperative ComplicationsHemangiomaData CompressionEar CanalFractures, SpontaneousTime FactorsOssification of Posterior Longitudinal LigamentCervical AtlasCoronary StenosisIntervertebral DiscMyelitisTracheal StenosisFollow-Up StudiesAnterior Horn CellsFractures, CompressionParalysisRats, Sprague-DawleyFatal OutcomePhrenic NerveDisease Models, AnimalUmbilical CordLow Back PainAxisSacrumPosterior Horn CellsOssification, Heterotopic