LaminectomyDiskectomyIntervertebral Disc DisplacementDiskectomy, PercutaneousLumbar VertebraeCervical VertebraeDecompression, SurgicalSpinal FusionSpinal Cord CompressionSpondylosisSpinal StenosisRadiculopathyIntervertebral DiscInternal FixatorsEpidural SpaceDura MaterLongitudinal LigamentsMyelographyIntervertebral Disc DegenerationSpinal Cord DiseasesLigamentum FlavumThoracic VertebraeSpinal OsteophytosisSciaticaSacrumLumbosacral RegionHematoma, Epidural, SpinalArachnoiditisSpinal CanalMicrosurgerySpinal DiseasesSpinal NeoplasmsTreatment OutcomeDiscitisSpinal Nerve RootsForaminotomySpinal Cord NeoplasmsEpidural AbscessCauda EquinaMagnetic Resonance ImagingEndoscopyOssification of Posterior Longitudinal LigamentSpineCervical AtlasSpondylolisthesisBack PainTotal Disc ReplacementPostoperative ComplicationsOperating TablesSurgical Procedures, Minimally InvasiveBone PlatesLow Back PainLordosisFailed Back Surgery SyndromeCranial Fossa, PosteriorIntervertebral Disc ChemolysisOssification, HeterotopicZygapophyseal JointArthroplastyParaparesisTorsion, MechanicalFollow-Up StudiesRetrospective StudiesKyphosisPain MeasurementNeurosurgical ProceduresBone TransplantationSyringomyeliaCadaverRange of Motion, ArticularParaplegiaBiomechanical PhenomenaTomography, X-Ray ComputedNeurosurgeryPolyradiculopathyTissue AdhesionsSpinal CordSpinal Cord InjuriesArachnoidRecovery of FunctionArachnoid CystsAtlanto-Axial JointReoperationMeningoceleNeck PainTabes DorsalisProspective StudiesKetonesDislocationsPain, PostoperativeEndoscopesArnold-Chiari MalformationBlood Loss, SurgicalPosterior Cerebral ArteryPiriformis Muscle SyndromeOdontoid ProcessNerve Compression SyndromesPseudarthrosisPosterior Cruciate LigamentProstheses and Implants