LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceDura MaterArachnoiditisSpinal CanalSpinal NeoplasmsSpinal Cord DiseasesSpinal Cord NeoplasmsCauda EquinaMyelographySpinal OsteophytosisIntervertebral Disc DisplacementSpinal FusionLumbosacral RegionSpondylolisthesisCervical AtlasSpinal DiseasesHematoma, Epidural, SpinalSacrumSpinal Nerve RootsOssification of Posterior Longitudinal LigamentFailed Back Surgery SyndromeOssification, HeterotopicDNA RepairTorsion, MechanicalParaparesisSpineDiskectomyRadiculopathyNeurosurgical ProceduresSyringomyeliaInternal FixatorsParaplegiaPostoperative ComplicationsMagnetic Resonance ImagingTreatment OutcomeTissue AdhesionsEpidural AbscessKyphosisPolyradiculopathySpinal Cord InjuriesCadaverSciaticaSpinal CordLongitudinal LigamentsArachnoidArachnoid CystsBack PainSpondylosisTabes DorsalisMeningoceleForaminotomyIntervertebral Disc DegenerationAtlanto-Axial JointArnold-Chiari MalformationZygapophyseal JointLordosisNerve Compression SyndromesOdontoid ProcessDislocationsShear StrengthSynovial CystDNA GlycosylasesPlatybasiaMicrosurgeryEpidermal CystRetrospective StudiesTuberculosis, SpinalNeurilemmomaTomography, X-Ray ComputedForamen MagnumUltraviolet Rays