Cauda EquinaSpinal CanalPolyradiculopathySpinal CordSpinal Cord InjuriesPeripheral Nervous System NeoplasmsSpinal Cord CompressionSpinal StenosisNerve Compression SyndromesSpinal Cord NeoplasmsLaminectomySpinal Cord DiseasesLumbar VertebraeSpinal Nerve RootsMyelographySpinal DiseasesDecompression, SurgicalSacrumSpinal NeoplasmsLumbosacral RegionCervical VertebraeLigamentum FlavumThoracic VertebraeRadiculopathyMagnetic Resonance ImagingDura MaterSpinal FusionSemicircular CanalsIntervertebral Disc DisplacementEpendymomaInjections, SpinalNeurilemmomaSpineParaparesisEar CanalSpinal Cord IschemiaSpinal NervesForensic BallisticsUrinary Bladder, NeurogenicSpinal FracturesElectrodiagnosisMotor NeuronsSynovial CystEpidural SpaceMeningoceleAnesthesia, SpinalTomography, X-Ray ComputedSpinal InjuriesParaplegiaSpondylosisWounds, GunshotRoot Canal PreparationParagangliomaBack PainQuadriplegiaTuberculosis, SpinalArachnoiditisReplantationHyperostosis, Diffuse Idiopathic SkeletalHemangioblastomaParesthesiaLongitudinal LigamentsSperm MaturationRats, Sprague-DawleySpinal Cord RegenerationPeripheral Nervous System DiseasesParaganglioma, Extra-AdrenalForeign-Body MigrationUrination DisordersElectromyographyNeurologic ExaminationArnold-Chiari MalformationTabes DorsalisTreatment OutcomeEvoked Potentials, SomatosensoryGanglia, SpinalRecovery of FunctionSpinal OsteophytosisPosterior Horn Cells