LaminectomyBone and BonesSpinal Cord CompressionDecompression, SurgicalBone RemodelingSpinal StenosisLumbar VertebraeBone DensityLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceDura MaterArachnoiditisBone ResorptionSpinal CanalSpinal Cord DiseasesSpinal NeoplasmsBone MarrowSpinal Cord NeoplasmsCauda EquinaMyelographySpinal OsteophytosisIntervertebral Disc DisplacementSpinal FusionLumbosacral RegionBone NeoplasmsBone DevelopmentBone Marrow CellsSpondylolisthesisSpinal DiseasesCervical AtlasBone DiseasesHematoma, Epidural, SpinalSpinal Nerve RootsSacrumOssification of Posterior Longitudinal LigamentSpineFailed Back Surgery SyndromeOssification, HeterotopicTorsion, MechanicalBone RegenerationParaparesisDiskectomyInternal FixatorsRadiculopathyBone MatrixSyringomyeliaParaplegiaBone Marrow TransplantationBone TransplantationNeurosurgical ProceduresMagnetic Resonance ImagingCadaverEpidural AbscessSpinal Cord InjuriesTissue AdhesionsKyphosisPolyradiculopathyPostoperative ComplicationsSciaticaSpinal CordTreatment OutcomeArachnoidLongitudinal LigamentsBack PainSpondylosisBone SubstitutesArachnoid CystsTabes DorsalisBone Diseases, MetabolicMeningoceleFractures, BoneIntervertebral Disc DegenerationForaminotomyAtlanto-Axial JointBone Morphogenetic ProteinsZygapophyseal JointArnold-Chiari MalformationLordosisOdontoid ProcessBiomechanical PhenomenaBone Morphogenetic Protein 2Nerve Compression SyndromesDislocationsShear StrengthTomography, X-Ray ComputedSynovial CystPlatybasiaOsteogenesisTemporal BoneWeight-BearingTuberculosis, SpinalIntervertebral DiscForamen Magnum