Surgical Procedures, Minimally InvasiveSpinal CordSpinal Cord InjuriesInjections, SpinalSpinal NervesSpinal Cord DiseasesAnesthesia, SpinalSpinal Nerve RootsSpinal Cord NeoplasmsSpinal CanalSpinal DiseasesSpinal Cord CompressionSpinal NeoplasmsSpinal FusionSpinal StenosisSpinal InjuriesMuscular Atrophy, SpinalSpinal Cord IschemiaGanglia, SpinalSpineMotor NeuronsThoracic VertebraeParaplegiaTuberculosis, SpinalLaminectomySpinal CurvaturesCervical Vertebrae