Spinal NeoplasmsSpinal CordSpinal StenosisLumbar VertebraeSpinal Cord InjuriesLumbosacral RegionSpinal CanalLaminectomySpinal NervesDecompression, SurgicalSpinal FusionSpinal Nerve RootsInjections, SpinalSpinal DiseasesRadiculopathySpinal Cord NeoplasmsAnesthesia, SpinalSpinal Cord DiseasesLigamentum FlavumSpinal Cord CompressionMotor NeuronsPolyradiculopathyCauda EquinaMyelographyPain MeasurementSpondylolisthesisSpinal Cord IschemiaSpinePancreatic NeoplasmsLow Back PainSpondylosisIntervertebral Disc DisplacementPosterior Horn CellsThoracic VertebraeNeoplasmsRats, Sprague-DawleyGanglia, SpinalNeurosurgical ProceduresSciaticaPainMagnetic Resonance ImagingNeoplasms, Cystic, Mucinous, and SerousInjections, EpiduralHyperalgesiaTreatment OutcomeNeuralgiaLocomotionEpidural SpaceDisability EvaluationSpinal InjuriesParaplegiaProstheses and ImplantsPhysical StimulationMuscular Atrophy, SpinalIntermittent ClaudicationOrthopedic ProceduresOrthopedic Fixation DevicesCordotomySciatic NerveDura MaterImmunohistochemistrySpinothalamic TractsBack PainIntervertebral DiscIntervertebral Disc DegenerationCatsHindlimbSubarachnoid SpaceRecovery of FunctionSkin NeoplasmsCervical VertebraeNeoplasms, Multiple PrimaryZygapophyseal JointTomography, X-Ray ComputedNerve Compression SyndromesTime FactorsSpinal FracturesDisease Models, AnimalRetrospective StudiesNeurons, AfferentAxonsAngiolipomaKidney NeoplasmsTuberculosis, SpinalFollow-Up StudiesElectric StimulationNeoplasms, Second PrimaryVestibular Nucleus, LateralNociceptorsPain ThresholdInterneuronsElectromyographyNeuronsAnalgesicsSpinal CurvaturesInternal FixatorsPost-Dural Puncture HeadacheParalysisHematoma, Epidural, SpinalOsteoarthritis, Spine