Spinal CanalLaminectomySpinal StenosisSpinal Cord CompressionSpinal CordLumbar VertebraeDecompression, SurgicalCervical VertebraeThoracic VertebraeLigamentum FlavumSpinal Cord InjuriesSpinal Cord DiseasesMyelographySpinal NeoplasmsSpinal DiseasesSemicircular CanalsEpidural SpaceSpinal Cord NeoplasmsSpinal FusionCauda EquinaDura MaterSpinal Nerve RootsEar CanalIntervertebral Disc DisplacementLumbosacral RegionSpinal OsteophytosisSpineSpondylosisSacrumSpondylolisthesisSpinal FracturesRadiculopathyLongitudinal LigamentsCervical AtlasPolyradiculopathyMagnetic Resonance ImagingInternal FixatorsOssification of Posterior Longitudinal LigamentRoot Canal PreparationArnold-Chiari MalformationArachnoiditisTomography, X-Ray ComputedHematoma, Epidural, SpinalSyringomyeliaOssification, HeterotopicDiskectomyKyphosisNeurosurgical ProceduresBack PainCadaverRoot Canal IrrigantsParaplegiaDental Pulp CavitySpinal InjuriesInjections, SpinalIntervertebral DiscNerve Compression SyndromesTreatment OutcomeDislocationsAtlanto-Axial JointRoot Canal Filling MaterialsZygapophyseal JointSpinal NervesParaparesisFailed Back Surgery SyndromeNeurilemmomaAnesthesia, SpinalSynovial CystPostoperative ComplicationsTorsion, MechanicalAxisErysipeloidEpidural AbscessTractionTuberculosis, SpinalLow Back PainAchondroplasiaOrthopedic ProceduresRecovery of FunctionAnal CanalBiomechanical PhenomenaSciaticaTissue AdhesionsArachnoidQuadriplegiaTooth ApexNeck InjuriesMeningoceleSubarachnoid SpaceVertebroplastyRetrospective StudiesScoliosisRibsArachnoid CystsRange of Motion, ArticularTabes DorsalisForeign-Body MigrationWounds, StabAngiolipomaIntervertebral Disc Degeneration