LaminectomyDiskectomyIntervertebral Disc DisplacementDiskectomy, PercutaneousLumbar VertebraeCervical VertebraeDecompression, SurgicalSpinal FusionSpinal Cord CompressionSpondylosisSpinal StenosisRadiculopathyIntervertebral DiscEpidural SpaceInternal FixatorsDura MaterLongitudinal LigamentsMyelographyLigamentum FlavumIntervertebral Disc DegenerationSpinal Cord DiseasesSpinal OsteophytosisSciaticaThoracic VertebraeLumbosacral RegionHematoma, Epidural, SpinalArachnoiditisSacrumSpinal CanalMicrosurgeryNuclear LaminaSpinal Nerve RootsForaminotomySpinal NeoplasmsDiscitisEpidural AbscessSpinal Cord NeoplasmsSpinal DiseasesCauda EquinaEndoscopyTreatment OutcomeSpineBack PainOperating TablesTotal Disc ReplacementSpondylolisthesisCervical AtlasSurgical Procedures, Minimally InvasiveBone PlatesPostoperative ComplicationsMagnetic Resonance ImagingLow Back PainOssification of Posterior Longitudinal LigamentFailed Back Surgery SyndromeIntervertebral Disc ChemolysisZygapophyseal JointLordosisSpinal CordArthroplastyTorsion, MechanicalOssification, HeterotopicParaparesisPain MeasurementSyringomyeliaBone TransplantationParaplegiaFollow-Up StudiesNeurosurgical ProceduresRetrospective StudiesNeurosurgerySpinal Cord InjuriesTissue AdhesionsPolyradiculopathyRange of Motion, ArticularKyphosisCadaverBiomechanical PhenomenaArachnoidRecovery of FunctionArachnoid CystsTabes DorsalisKetonesMeningoceleTomography, X-Ray ComputedNeck PainPiriformis Muscle SyndromeReoperationPain, PostoperativeEndoscopesBlood Loss, SurgicalAtlanto-Axial JointProspective StudiesDisability EvaluationPseudarthrosisArnold-Chiari MalformationOdontoid ProcessNerve Compression SyndromesShear StrengthProstheses and ImplantsSynovial Cyst