LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceDura MaterArachnoiditisSpinal 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 ProceduresTissue AdhesionsEpidural AbscessPolyradiculopathyKyphosisMagnetic Resonance ImagingSpinal Cord InjuriesSpinal CordCadaverSciaticaPostoperative ComplicationsArachnoidLongitudinal LigamentsBack PainMeningoceleSpondylosisArachnoid CystsTreatment OutcomeTabes DorsalisForaminotomyIntervertebral Disc DegenerationAtlanto-Axial JointArnold-Chiari MalformationZygapophyseal JointLordosisOdontoid ProcessNerve Compression SyndromesShear StrengthSynovial CystDislocationsPlatybasiaHeart Septal Defects, VentricularTuberculosis, SpinalHeart Defects, CongenitalIntervertebral Disc