SciaticaIntervertebral Disc DisplacementRadiculopathySciatic NervePiriformis Muscle SyndromePeripheral NervesInjections, EpiduralSpinal Nerve RootsLumbar VertebraeNerve Compression SyndromesDiskectomyOptic NerveNerve FibersLow Back PainChymopapainNerve RegenerationLumbosacral PlexusIntervertebral Disc ChemolysisNerve BlockPain MeasurementNerve EndingsSural NerveMedian NervePeripheral Nervous System NeoplasmsFacial NerveNerve CrushPeripheral Nerve InjuriesIntervertebral DiscTibial NerveUlnar NervePolyradiculopathyFemoral NerveFibrocartilageSpinal NervesSpinal CanalCauda EquinaSciatic Neuropathy