LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisSyndromeLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceArachnoiditisDura MaterSpinal CanalSpinal Cord DiseasesCauda EquinaSpinal Cord NeoplasmsSpinal NeoplasmsMyelographySpinal OsteophytosisIntervertebral Disc DisplacementSpinal FusionLumbosacral RegionSpondylolisthesisCervical AtlasSpinal DiseasesHematoma, Epidural, SpinalSpinal Nerve RootsFailed Back Surgery SyndromeSacrumOssification of Posterior Longitudinal LigamentTorsion, MechanicalParaparesisOssification, HeterotopicSpineDiskectomyRadiculopathySyringomyeliaInternal FixatorsParaplegiaNeurosurgical ProceduresMagnetic Resonance ImagingTissue AdhesionsEpidural AbscessSpinal Cord InjuriesKyphosisPolyradiculopathyTreatment OutcomePostoperative ComplicationsSciaticaSpinal CordCadaverArachnoidBack PainLongitudinal LigamentsSpondylosisArachnoid CystsTabes DorsalisMeningoceleForaminotomyIntervertebral Disc DegenerationDown SyndromeAtlanto-Axial JointMetabolic Syndrome XNerve Compression SyndromesArnold-Chiari MalformationZygapophyseal JointLordosisOdontoid ProcessShear StrengthPost and Core TechniqueSynovial CystDislocationsPlatybasiaTuberculosis, SpinalIntervertebral DiscRetrospective Studies