LaminectomySpinal Cord CompressionDecompression, SurgicalSpinal StenosisLumbar VertebraeLigamentum FlavumSciatic NerveCervical VertebraeThoracic VertebraeEpidural SpaceDura MaterArachnoiditisSpinal Nerve RootsSpinal CanalPeripheral NervesSpinal Cord DiseasesSpinal NeoplasmsSpinal Cord NeoplasmsMyelographyIntervertebral Disc DisplacementCauda EquinaOptic NerveNerve FibersSpinal OsteophytosisSpinal FusionLumbosacral RegionSpondylolisthesisSpinal DiseasesCervical AtlasHematoma, Epidural, SpinalSacrumNerve RegenerationNerve Compression SyndromesOssification of Posterior Longitudinal LigamentFailed Back Surgery SyndromeNeurosurgical ProceduresNerve BlockRadiculopathySpineTorsion, MechanicalOssification, HeterotopicParaparesisDiskectomyNerve EndingsTreatment OutcomePostoperative ComplicationsSural NerveMedian NerveFacial NervePeripheral Nerve InjuriesNerve CrushInternal FixatorsSpinal CordSyringomyeliaTibial NerveUlnar NerveCadaverParaplegiaMagnetic Resonance ImagingTissue AdhesionsSpinal Cord InjuriesSciaticaFemoral NerveEpidural AbscessKyphosisPolyradiculopathySpinal NervesArachnoidBack PainSpondylosisLongitudinal LigamentsTrigeminal NerveArachnoid CystsNerve Growth FactorTabes DorsalisNerve Growth FactorsMeningoceleIntervertebral Disc DegenerationForaminotomyPhrenic NerveRadial NerveCranial NervesRetrospective StudiesAtlanto-Axial JointZygapophyseal JointSurgical Procedures, Minimally InvasiveOphthalmic NerveArnold-Chiari MalformationMandibular NerveNerve TissueLordosisDislocationsOdontoid ProcessSynovial CystShear StrengthTomography, X-Ray ComputedNeurilemmomaOrthopedic ProceduresPlatybasiaFollow-Up Studies