Spinal Cord CompressionCervical VertebraeSpinal Nerve RootsRadiculopathySpinal CordNerve Compression SyndromesSpinal Cord InjuriesSpinal NeoplasmsLaminectomySpinal Cord NeoplasmsSpinal CanalDecompression, SurgicalSciaticaIntervertebral Disc DisplacementLigamentum FlavumMyelographyLumbar VertebraeThoracic VertebraeSpinal Cord DiseasesMagnetic Resonance ImagingDiskectomyEpidural NeoplasmsSpinal StenosisQuadriplegiaIntervertebral DiscEpidural SpaceSpinal DiseasesParaplegiaHematopoiesis, ExtramedullarySpinal OsteophytosisScheuermann DiseaseNeurologic ExaminationHematoma, Epidural, SpinalData CompressionCadaverPhrenic NerveSacrumRecovery of FunctionHyperostosisParaparesisTomography, X-Ray ComputedRheumatic NoduleForelimbMyelitisSpondylosisOsteochondromaStockings, CompressionEpidural AbscessBalloon EmbolectomyParalysisArachnoid CystsMotor NeuronsOdontoid ProcessSpinal FusionAnterior Horn CellsArachnoidSpinal InjuriesTreatment OutcomeFractures, CompressionBone NeoplasmsNeckNerve RegenerationNeurosurgical ProceduresExostoses, Multiple HereditaryDiphosphonatesSpineTuberculosis, SpinalPeripheral NervesDura MaterSpinal FracturesHemangiomaContusionsSciatic NerveFractures, SpontaneousRats, Sprague-DawleyRespiratory ParalysisCauda EquinaTime FactorsFatal OutcomeAxonsLumbosacral RegionSpinal NervesDisease Models, AnimalPyramidal TractsNerve TissueRetrospective StudiesInjections, SpinalSpinal Cord StimulationCompression BandagesKlippel-Feil SyndromeNerve BlockIntermittent Pneumatic Compression DevicesRed NucleusLumbosacral PlexusNeck InjuriesLongitudinal Ligaments