Spinal CanalLumbar VertebraeThoracic VertebraeSpinal CordCervical VertebraeSpinal StenosisSpinal Cord CompressionSpineSpinal Cord InjuriesSemicircular CanalsLaminectomySpinal DiseasesSpinal FracturesSpinal NeoplasmsSpinal Cord DiseasesEar CanalSpinal FusionLigamentum FlavumDecompression, SurgicalMyelographySacrumSpinal Cord NeoplasmsRoot Canal PreparationSpinal Nerve RootsSpondylosisInternal FixatorsEpidural SpaceLumbosacral RegionCauda EquinaLongitudinal LigamentsTomography, X-Ray ComputedMagnetic Resonance ImagingScoliosisCervical AtlasSpinal InjuriesRadiculopathyIntervertebral Disc DisplacementSpondylolisthesisPolyradiculopathyVertebroplastyRibsDura MaterArnold-Chiari MalformationIntervertebral DiscRoot Canal IrrigantsKyphosisSpinal OsteophytosisBone ScrewsDental Pulp CavityInjections, SpinalFractures, CompressionSpinal NervesRoot Canal Filling MaterialsAnesthesia, SpinalOssification of Posterior Longitudinal LigamentCadaverPolymethyl MethacrylateAxisErysipeloidBack PainZygapophyseal JointTractionSpinal CurvaturesBone CementsAchondroplasiaBiomechanical PhenomenaTuberculosis, SpinalDislocationsAnal CanalQuadriplegiaNeurilemmomaOrthopedic ProceduresNeck InjuriesNerve Compression SyndromesNeurosurgical ProceduresTreatment OutcomeTooth ApexSubarachnoid SpaceAtlanto-Axial JointDiskectomySyringomyeliaLow Back PainFluoroscopyBone Diseases, DevelopmentalForeign-Body MigrationLigamentsWounds, StabAngiolipomaPeripheral Nervous System NeoplasmsMeningesOsteoporosisEpidural NeoplasmsOssification, HeterotopicSpondylolysisMuscular Atrophy, SpinalMeningiomaSynovial CystRecovery of FunctionSpinal Cord Ischemia