Spinal Cord CompressionSpinal Cord NeoplasmsDecompression, SurgicalSpinal NeoplasmsSpinal CordLaminectomySpinal Cord InjuriesThoracic VertebraeCervical VertebraeDecompressionHematoma, Epidural, SpinalParamethasoneDecompression SicknessSpinal DiseasesSpinal Cord DiseasesParaplegiaEpidural NeoplasmsEpidural AbscessParaparesisNerve Compression SyndromesHematopoiesis, ExtramedullaryMyelographyMagnetic Resonance ImagingSpinal StenosisTuberculosis, SpinalPolyradiculopathyEpidural SpaceSpinal CanalScheuermann DiseaseSpinal OsteophytosisLumbar VertebraeSpinal FusionCompartment SyndromesTreatment OutcomeNeurosurgical ProceduresHyperostosisRheumatic NoduleOsteochondromaOdontoid ProcessSacrumBalloon Embolectomy