PolyradiculopathyCauda EquinaSpinal StenosisNerve Compression SyndromesSacrumDecompression, SurgicalLumbar VertebraeLaminectomyForensic BallisticsSynovial CystIntervertebral Disc DisplacementPeripheral Nervous System NeoplasmsDura MaterMagnetic Resonance ImagingSpondylitis, AnkylosingEmergency TreatmentSpinal CordSyndromeTomography, X-Ray ComputedSpinal Cord CompressionRadiculopathySpinal CanalSpinal Nerve RootsMyelographyLigamentum FlavumSpinal Cord NeoplasmsLumbosacral RegionSpinal DiseasesSpondylolisthesisSpinal Cord InjuriesCarotid StenosisSpinal FusionAortic Valve StenosisInjections, EpiduralSciaticaEpendymomaBack PainCoronary Stenosis