Spinal CanalSpinal CordSpinal StenosisSpineSpinal Cord CompressionCervical VertebraeLumbar VertebraeSpinal Cord InjuriesSemicircular CanalsThoracic VertebraeLaminectomySpinal DiseasesSpinal Cord DiseasesEar CanalSpinal NeoplasmsLigamentum FlavumMyelographySpinal FusionSpinal FracturesDecompression, SurgicalSpinal Cord NeoplasmsSpondylosisRoot Canal PreparationSpinal InjuriesSpinal Nerve RootsEpidural SpaceCauda EquinaLumbosacral RegionIntervertebral Disc DisplacementLongitudinal LigamentsMagnetic Resonance ImagingRadiculopathySacrumPolyradiculopathyDura MaterTomography, X-Ray ComputedSpondylolisthesisArnold-Chiari MalformationRoot Canal IrrigantsInjections, SpinalDental Pulp CavitySpinal OsteophytosisInternal FixatorsRoot Canal Filling MaterialsSpinal NervesAxisAnesthesia, SpinalTractionIntervertebral DiscOssification of Posterior Longitudinal LigamentKyphosisErysipeloidCervical AtlasScoliosisAchondroplasiaNeck InjuriesZygapophyseal JointBone ScrewsDislocationsBack PainQuadriplegiaAnal CanalVertebroplastyNeurosurgical ProceduresRibsSubarachnoid SpaceCadaverOrthopedic ProceduresTooth ApexDiskectomyNerve Compression SyndromesNeurilemmomaAtlanto-Axial JointSyringomyeliaLow Back PainTreatment OutcomeEpidural NeoplasmsForeign-Body MigrationWounds, StabAngiolipomaPeripheral Nervous System NeoplasmsSynovial CystTuberculosis, SpinalMeningesSpinal CurvaturesMuscular Atrophy, SpinalLigamentsMeningiomaFractures, CompressionBone Diseases, DevelopmentalOssification, HeterotopicCerebrospinal Fluid PressureSpinal Cord IschemiaRecovery of Function