LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceArachnoiditisDura MaterSpinal CanalSpinal Cord DiseasesSpinal Cord NeoplasmsSpinal NeoplasmsCauda EquinaMyelographySpinal OsteophytosisIntervertebral Disc DisplacementSpinal FusionLumbosacral RegionSpondylolisthesisCervical AtlasSpinal DiseasesHematoma, Epidural, SpinalSpinal Nerve RootsSacrumOssification of Posterior Longitudinal LigamentFailed Back Surgery SyndromeTorsion, MechanicalParaparesisOssification, HeterotopicSpineDiskectomyRadiculopathySyringomyeliaInternal FixatorsParaplegiaNeurosurgical ProceduresEpidural AbscessTissue AdhesionsSpinal Cord InjuriesPolyradiculopathyKyphosisMagnetic Resonance ImagingTreatment OutcomeSciaticaSpinal CordPostoperative ComplicationsCadaverArachnoidLongitudinal LigamentsBack PainSpondylosisArachnoid CystsTabes DorsalisMeningoceleForaminotomyIntervertebral Disc DegenerationAtlanto-Axial JointArnold-Chiari MalformationZygapophyseal JointLordosisOdontoid ProcessNerve Compression SyndromesShear StrengthDislocationsSynovial CystPlatybasiaTuberculosis, SpinalIntervertebral Disc