PolyradiculopathyCauda EquinaNerve Compression SyndromesSacrumForensic BallisticsLaminectomyDecompression, SurgicalLumbar VertebraeSynovial CystIntervertebral Disc DisplacementDura MaterPeripheral Nervous System NeoplasmsSpinal StenosisSpondylitis, AnkylosingMagnetic Resonance ImagingEmergency TreatmentSpinal CordSpinal DiseasesSyndromeSpineSpinal Cord CompressionTomography, X-Ray ComputedSpinal Cord NeoplasmsSpinal FusionSpinal Nerve RootsSpinal Cord InjuriesSpinal NeoplasmsRadiculopathyMyelographyEpendymomaMeningoceleElectrodiagnosisSpinal Cord Diseases