LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumCervical VertebraeThoracic VertebraeEpidural SpaceDura MaterArachnoiditisSpinal CanalSpinal Cord DiseasesSpinal NeoplasmsSpinal Cord NeoplasmsIntervertebral Disc DisplacementCauda EquinaSpinal FusionMyelographySpinal OsteophytosisPostoperative ComplicationsLumbosacral RegionSpinal DiseasesTreatment OutcomeSpondylolisthesisCervical AtlasFailed Back Surgery SyndromeHematoma, Epidural, SpinalSpinal Nerve RootsSacrumOssification of Posterior Longitudinal LigamentNeurosurgical ProceduresSpineDiskectomyOssification, HeterotopicTorsion, MechanicalParaparesisRadiculopathyInternal FixatorsTissue AdhesionsSyringomyeliaParaplegiaMagnetic Resonance ImagingRetrospective StudiesKyphosisEpidural AbscessPolyradiculopathySciaticaBariatric SurgerySpinal Cord InjuriesCadaverSpinal CordArachnoidBack PainSpondylosisLongitudinal LigamentsArachnoid CystsFollow-Up StudiesMeningoceleIntervertebral Disc DegenerationTabes DorsalisGeneral SurgeryForaminotomyAtlanto-Axial JointThoracic SurgeryOrthopedic ProceduresReoperationTomography, X-Ray ComputedLordosisArnold-Chiari MalformationSurgical Procedures, Minimally InvasiveZygapophyseal JointMicrosurgeryNerve Compression SyndromesProspective StudiesOdontoid ProcessPain, PostoperativeCardiac Surgical ProceduresDislocationsIntraoperative PeriodSynovial CystBlood Loss, SurgicalShear StrengthPlatybasiaTuberculosis, SpinalIntervertebral DiscTime FactorsRecovery of FunctionPostoperative PeriodForamen MagnumSurgery, PlasticRange of Motion, Articular