LaminectomyPainChronic PainPain ManagementSpinal Cord CompressionDecompression, SurgicalBack PainSpinal StenosisPain, PostoperativePain ThresholdLow Back PainPain MeasurementLumbar VertebraeLigamentum FlavumAbdominal PainNeck PainPain, IntractableCervical VertebraeThoracic VertebraeEpidural SpacePelvic PainPain PerceptionDura MaterArachnoiditisSpinal CanalFacial PainIntervertebral Disc DisplacementSpinal Cord DiseasesAcute PainSpinal NeoplasmsPain, ReferredSpinal Cord NeoplasmsCauda EquinaLumbosacral RegionMyelographySpinal OsteophytosisSpinal FusionSpinal DiseasesShoulder PainSpondylolisthesisSpinal Nerve RootsCervical AtlasMusculoskeletal PainHematoma, Epidural, SpinalSacrumFailed Back Surgery SyndromeRadiculopathyOssification of Posterior Longitudinal LigamentTreatment OutcomeSpineDiskectomySciaticaParaparesisOssification, HeterotopicTorsion, MechanicalSpinal CordMagnetic Resonance ImagingSyringomyeliaAnalgesicsInternal FixatorsSpinal Cord InjuriesNeurosurgical ProceduresParaplegiaNociceptive PainNeuralgiaTissue AdhesionsEpidural AbscessPostoperative ComplicationsPolyradiculopathyKyphosisIntervertebral Disc DegenerationSpondylosisCadaverZygapophyseal JointArachnoidAnalgesics, OpioidLongitudinal LigamentsTabes DorsalisArachnoid CystsMeningoceleForaminotomyMyofascial Pain SyndromesHyperalgesiaNerve Compression SyndromesComplex Regional Pain SyndromesChronic DiseaseRange of Motion, ArticularVisceral PainIntervertebral DiscAtlanto-Axial JointDisability EvaluationFollow-Up StudiesDislocationsRetrospective StudiesArnold-Chiari MalformationArthralgiaOdontoid ProcessLordosisAnalgesiaLabor Pain