LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceDura MaterArachnoiditisSpinal CanalSpinal Cord DiseasesSpinal NeoplasmsSpinal Cord NeoplasmsCauda EquinaIntervertebral Disc DisplacementMyelographySpinal OsteophytosisSpinal FusionLumbosacral RegionSpinal DiseasesSpondylolisthesisCervical AtlasGeneral SurgeryHematoma, Epidural, SpinalSpinal Nerve RootsSacrumOssification of Posterior Longitudinal LigamentFailed Back Surgery SyndromeSpinePostoperative ComplicationsOssification, HeterotopicDiskectomyTorsion, MechanicalParaparesisNeurosurgical ProceduresRadiculopathyInternal FixatorsTreatment OutcomeSyringomyeliaParaplegiaTissue AdhesionsCadaverEpidural AbscessSpinal Cord InjuriesKyphosisPolyradiculopathyMagnetic Resonance ImagingOrthopedicsSciaticaSpinal CordBack PainArachnoidSpondylosisLongitudinal LigamentsArachnoid CystsTabes DorsalisIntervertebral Disc DegenerationMeningoceleForaminotomySpecialties, SurgicalAtlanto-Axial JointRetrospective StudiesZygapophyseal JointArnold-Chiari MalformationDislocationsLordosisNerve Compression SyndromesOdontoid ProcessShear StrengthSynovial CystMicrosurgeryThoracic SurgeryPlatybasiaOrthopedic ProceduresIntervertebral DiscTuberculosis, SpinalSurgical Procedures, Minimally InvasiveTomography, X-Ray Computed