Spinal Cord NeoplasmsLaminectomyTuberculomaIophendylateHematopoiesis, ExtramedullarySpinal CordSpinal Cord DiseasesHemangioma, CapillaryEpendymomaMeningiomaSex Cord-Gonadal Stromal TumorsNeurilemmomaThoracic VertebraeMagnetic Resonance ImagingSpinal Cord InjuriesSpinal Cord CompressionTuberculosis, MeningealMicrosurgeryNeurosurgical ProceduresAstrocytomaDura MaterSpermatic CordPlasmacytomaSertoli Cell TumorBrain NeoplasmsSpinal NeoplasmsTreatment OutcomeSarcoma, MyeloidRetrospective StudiesCauda EquinaSpinal CanalArachnoid CystsFibrous Dysplasia, MonostoticCervical VertebraeMyelographyPolyradiculopathySpinal Nerve RootsSpinal Cord Ischemia