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 ComplicationsRadiculopathyTreatment OutcomeInternal FixatorsSyringomyeliaParaplegiaTissue AdhesionsEpidural AbscessMagnetic Resonance ImagingKyphosisPolyradiculopathySpinal Cord InjuriesCadaverSciaticaSpinal CordArachnoidBack PainLongitudinal LigamentsSpondylosisArachnoid CystsTabes DorsalisMeningoceleIntervertebral Disc DegenerationForaminotomyAtlanto-Axial JointRetrospective StudiesZygapophyseal JointSurgical Procedures, Minimally InvasiveArnold-Chiari MalformationLordosisOdontoid ProcessNerve Compression SyndromesDislocationsShear StrengthSynovial CystPlatybasiaOrthopedic ProceduresTuberculosis, SpinalTomography, X-Ray ComputedIntervertebral DiscFollow-Up StudiesForamen MagnumMicrosurgery