LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceArachnoiditisDura MaterSpinal CanalSpinal Cord DiseasesSpinal NeoplasmsSpinal Cord NeoplasmsCauda EquinaMyelographySpinal OsteophytosisIntervertebral Disc DisplacementSpinal FusionLumbosacral RegionSpondylolisthesisCervical AtlasSpinal DiseasesHematoma, Epidural, SpinalSpinal Nerve RootsSacrumOssification of Posterior Longitudinal LigamentFailed Back Surgery SyndromeTorsion, MechanicalParaparesisOssification, HeterotopicSpineDiskectomyRadiculopathySyringomyeliaInternal FixatorsParaplegiaNeurosurgical ProceduresMagnetic Resonance ImagingEpidural AbscessTissue AdhesionsPolyradiculopathySpinal Cord InjuriesKyphosisCadaverPostoperative ComplicationsSciaticaSpinal CordTreatment OutcomeArachnoidBack PainLongitudinal LigamentsSpondylosisArachnoid CystsTabes DorsalisMeningoceleForaminotomyIntervertebral Disc DegenerationAtlanto-Axial JointArnold-Chiari MalformationZygapophyseal JointLordosisShear StrengthOdontoid ProcessNerve Compression SyndromesSynovial CystDislocationsPlatybasiaTuberculosis, SpinalIntervertebral Disc