Spinal Cord CompressionDecompression, SurgicalSpinal CordLaminectomySpinal Cord InjuriesSpinal NeoplasmsCervical VertebraeSpinal Cord NeoplasmsThoracic VertebraeDecompressionSpinal Cord DiseasesDecompression SicknessEpidural NeoplasmsParaplegiaSpinal DiseasesMyelographySpinal CanalHematopoiesis, ExtramedullaryEpidural SpaceHematoma, Epidural, SpinalScheuermann DiseaseMagnetic Resonance ImagingParaparesisSpinal FusionHyperostosisQuadriplegiaSpinal Cord IschemiaRheumatic NoduleTuberculosis, SpinalNerve Compression SyndromesTreatment OutcomeOsteochondromaOdontoid ProcessEpidural AbscessSpinal StenosisBalloon EmbolectomyLumbar VertebraeInjections, SpinalSpinal Nerve RootsArachnoidNeurosurgical ProceduresArachnoid CystsSpineBone NeoplasmsRecovery of FunctionExostoses, Multiple HereditarySpinal FracturesUmbilical CordDiphosphonatesSpinal OsteophytosisSpinal NervesHemangiomaData CompressionRetrospective StudiesFractures, SpontaneousTomography, X-Ray ComputedMotor NeuronsSpinal Cord RegenerationTime FactorsAnesthesia, SpinalLumbosacral RegionDivingSpondylosisLigamentum FlavumDisease Models, AnimalOssification of Posterior Longitudinal LigamentSpinal InjuriesRats, Sprague-DawleyIntervertebral Disc DisplacementFatal OutcomeIntervertebral DiscStockings, CompressionPainPosterior Horn CellsSyringomyelia