Spinal Cord CompressionSpinal StenosisSpinal CordSpinal NeoplasmsLaminectomySpinal Cord InjuriesSpinal Cord NeoplasmsDecompression, SurgicalThoracic VertebraeSpinal CanalCervical VertebraeLumbar VertebraeEpidural NeoplasmsSpinal DiseasesSpinal Cord DiseasesMyelographyParaplegiaEpidural SpaceHematopoiesis, ExtramedullaryMagnetic Resonance ImagingScheuermann DiseaseHematoma, Epidural, SpinalSpinal FusionTreatment OutcomeLigamentum FlavumParaparesisHyperostosisSpondylolisthesisNeurosurgical ProceduresRheumatic NoduleOsteochondromaSpinal Nerve RootsSpineRadiculopathyBalloon EmbolectomyCarotid StenosisIntervertebral Disc DisplacementTuberculosis, SpinalOdontoid ProcessLumbosacral RegionNerve Compression SyndromesInjections, EpiduralAortic Valve StenosisEpidural AbscessRetrospective StudiesQuadriplegiaTomography, X-Ray ComputedBone NeoplasmsInjections, SpinalArachnoid CystsSpinal FracturesArachnoidExostoses, Multiple HereditaryDiphosphonatesSpondylosisSpinal OsteophytosisRecovery of FunctionHemangiomaData CompressionFractures, SpontaneousSpinal Cord IschemiaSpinal NervesCoronary StenosisTime FactorsSciaticaTracheal StenosisIntervertebral DiscOrthopedic ProceduresPain MeasurementPolyradiculopathyDura MaterFollow-Up StudiesAnesthesia, SpinalUmbilical CordPostoperative ComplicationsCauda EquinaLow Back PainConstriction, PathologicPainStockings, CompressionSacrumFatal OutcomeDisability EvaluationIntermittent ClaudicationProspective StudiesPrognosisBack PainMotor NeuronsOrthopedic Fixation DevicesCancer Care FacilitiesPyloric StenosisFractures, CompressionMitral Valve StenosisSpinal InjuriesPulmonary Valve StenosisDisease Models, AnimalAnesthetics, LocalSpinal Cord RegenerationProstheses and ImplantsSteroids