LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceDura MaterArachnoiditisSpinal CanalSpinal Cord DiseasesSpinal NeoplasmsSpinal Cord NeoplasmsCauda EquinaMyelographyIntervertebral Disc DisplacementSpinal OsteophytosisSpinal FusionLumbosacral RegionSpondylolisthesisCervical AtlasSpinal DiseasesHematoma, Epidural, SpinalSpinal Nerve RootsSacrumOssification of Posterior Longitudinal LigamentFailed Back Surgery SyndromeTorsion, MechanicalParaparesisNeurosurgical ProceduresSpineOssification, HeterotopicDiskectomyPostoperative ComplicationsTreatment OutcomeRadiculopathyInternal FixatorsSyringomyeliaParaplegiaTerminology as TopicTissue AdhesionsMagnetic Resonance ImagingEpidural AbscessKyphosisPolyradiculopathySpinal Cord InjuriesCadaverSciaticaSpinal CordRNA, Ribosomal, 16SArachnoidBack PainLongitudinal LigamentsSpondylosisArachnoid CystsTabes DorsalisMeningoceleIntervertebral Disc DegenerationForaminotomyAtlanto-Axial JointRetrospective StudiesZygapophyseal JointBase CompositionPhylogenySurgical Procedures, Minimally InvasiveArnold-Chiari MalformationLordosisOdontoid ProcessNerve Compression SyndromesDislocationsShear StrengthGenes, rRNASynovial CystPlatybasiaOrthopedic ProceduresTuberculosis, SpinalTomography, X-Ray ComputedFollow-Up StudiesIntervertebral DiscDNA, BacterialForamen MagnumMicrosurgery