RadiculopathySpinal Cord DiseasesCervical VertebraeSpinal Cord CompressionSpinal OsteophytosisLaminectomyOssification of Posterior Longitudinal LigamentDecompression, SurgicalSpondylosisMyelographySpinal StenosisSpinal CanalSpinal FusionCervical AtlasSpinal Nerve RootsIntervertebral Disc DisplacementDiskectomyParaparesis, Tropical SpasticLigamentum FlavumAxisAtlanto-Axial JointDura MaterMagnetic Resonance ImagingLumbar VertebraeHyperostosis, Diffuse Idiopathic SkeletalOdontoid ProcessOrthopedicsTreatment OutcomeTorticollisSpinal CordReflex, AbnormalOsteochondromaInjections, EpiduralTotal Disc ReplacementLumbosacral RegionEpidural SpaceDislocationsElectrodiagnosisRetrospective StudiesTomography, X-Ray ComputedIntervertebral DiscSynovial CystPost-Traumatic HeadacheNeck PainNeckHTLV-I InfectionsOrthopedic ProceduresPostoperative ComplicationsSciaticaHuman T-lymphotropic virus 1Joint InstabilityHematoma, Epidural, SpinalNerve Compression SyndromesBrachial Plexus NeuritisLow Back PainRecovery of FunctionSpinal DiseasesForaminotomyMyelitisPolyradiculopathySocieties, MedicalSacrumFollow-Up StudiesPain MeasurementThoracic VertebraeFibromyalgiaNeurosurgical ProceduresOutcome Assessment (Health Care)Severity of Illness IndexBone ScrewsLumbosacral PlexusZygapophyseal JointMyelitis, TransverseJapanParesthesiaProspective StudiesInternal FixatorsMuscle WeaknessCauda EquinaPeripheral Nervous System DiseasesParaspinal MusclesOssification, HeterotopicHTLV-I AntibodiesBrachial Plexus NeuropathiesArthritis, RheumatoidSpondylolisthesisNerve BlockSpinal NeoplasmsFluoroscopyLongitudinal LigamentsManipulation, SpinalBack PainGene Products, taxMeningeal CarcinomatosisBursitisGait Disorders, NeurologicParaparesis, SpasticTarlov CystsOrthotic DevicesParaplegia