Epidural SpaceEpidural NeoplasmsSpinal Cord CompressionPulsed Radiofrequency TreatmentQuipazineElectric Stimulation TherapyIntraoperative CareIntraoperative PeriodSpinal CordMonitoring, IntraoperativeSpinal Cord InjuriesIntraoperative ComplicationsInjections, SpinalAnesthesia, SpinalSpinal Cord DiseasesSpinal NervesSpinal Cord NeoplasmsSpinal Nerve RootsSpinal DiseasesSpinal CanalSpinal NeoplasmsSpinal FusionSpinal StenosisPostoperative ComplicationsFrozen SectionsNeuronavigationTreatment OutcomeBlood Loss, SurgicalSurgery, Computer-AssistedSpinal InjuriesIntraoperative AwarenessNeurosurgical ProceduresMuscular Atrophy, SpinalThoracic VertebraeSpinal Cord IschemiaRetrospective StudiesLaminectomySpineGanglia, SpinalCervical VertebraeLumbar VertebraeAnesthesia, GeneralProspective StudiesParaplegiaMotor NeuronsSpinal CurvaturesTime FactorsTuberculosis, SpinalIntraoperative Neurophysiological MonitoringPreoperative CareMagnetic Resonance ImagingHematoma, Epidural, SpinalPosterior Horn CellsParathyroidectomySpinal FracturesLaparoscopyTomography, X-Ray ComputedLumbosacral RegionScoliosisSpinal Muscular Atrophies of ChildhoodDecompression, SurgicalEvoked Potentials, SomatosensoryFollow-Up Studies