LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeCervical VertebraeLigamentum FlavumThoracic VertebraeEpidural SpaceDura MaterArachnoiditisSpinal CanalSpinal FusionSpinal Cord DiseasesSpinal NeoplasmsSpinal Cord NeoplasmsCauda EquinaMyelographyIntervertebral Disc DisplacementSpinal OsteophytosisOssification of Posterior Longitudinal LigamentLumbosacral RegionCervical AtlasSpondylolisthesisSpinal DiseasesSacrumSpinal Nerve RootsHematoma, Epidural, SpinalMagnetic Resonance ImagingSpineFailed Back Surgery SyndromeCranial Fossa, PosteriorOssification, HeterotopicInternal FixatorsDiskectomyParaparesisTorsion, MechanicalKyphosisNeurosurgical ProceduresRadiculopathySyringomyeliaCadaverParaplegiaPostoperative ComplicationsTreatment OutcomePolyradiculopathyEpidural AbscessTissue AdhesionsSpinal CordSpinal Cord InjuriesArachnoidSciaticaSpondylosisArachnoid CystsBack PainAtlanto-Axial JointMeningoceleLongitudinal LigamentsIntervertebral Disc DegenerationTabes DorsalisDislocationsForaminotomyArnold-Chiari MalformationPosterior Cerebral ArteryOdontoid ProcessLordosisNerve Compression SyndromesPosterior Cruciate LigamentZygapophyseal JointTomography, X-Ray ComputedTuberculosis, SpinalPlatybasiaSynovial CystIntervertebral DiscShear StrengthRetrospective StudiesBiomechanical PhenomenaRange of Motion, ArticularForamen MagnumSpinal FracturesUveitis, PosteriorMicrosurgery