Intervertebral Disc DisplacementDiskectomySpinal NeoplasmsForaminotomyIntervertebral DiscRadiculopathyLumbar VertebraeDiskectomy, PercutaneousLaminectomyMicrosurgerySpinal CanalSciaticaDecompression, SurgicalSpinal CordThoracic VertebraeSpinal Nerve RootsCervical VertebraeEndoscopySpinal Cord InjuriesMagnetic Resonance ImagingTreatment OutcomeIntervertebral Disc DegenerationLow Back PainMyelographyPostoperative ComplicationsRetrospective StudiesInjections, SpinalSpinal DiseasesNeurologic ExaminationSpinal Cord NeoplasmsSpinal NervesSpinal Cord DiseasesAnesthesia, SpinalSpinal Cord CompressionSpinal FusionSpinal StenosisPancreatic NeoplasmsNeoplasmsDisability EvaluationTemporomandibular Joint DiscNeoplasms, Cystic, Mucinous, and SerousImaginal DiscsSpinal InjuriesMuscular Atrophy, SpinalTotal Disc ReplacementSpineSpinal Cord IschemiaGanglia, SpinalSkin NeoplasmsNeoplasms, Multiple PrimaryLumbosacral RegionMotor NeuronsImmunohistochemistryParaplegiaTuberculosis, SpinalKidney NeoplasmsNeoplasms, Second PrimarySpinal CurvaturesOptic DiskHematoma, Epidural, SpinalPosterior Horn CellsThyroid NeoplasmsAdenocarcinoma, MucinousMyeloproliferative DisordersSpinal Muscular Atrophies of ChildhoodRats, Sprague-DawleySpinal FracturesLung NeoplasmsDNA, NeoplasmParotid Neoplasms