SciaticaIntervertebral Disc DisplacementRadiculopathySpinal Nerve RootsPiriformis Muscle SyndromeInjections, EpiduralLumbar VertebraeDiskectomyLow Back PainChymopapainTooth RootNerve Compression SyndromesIntervertebral Disc ChemolysisLumbosacral PlexusPain MeasurementIntervertebral DiscPolyradiculopathyCauda EquinaFibrocartilagePeripheral Nervous System NeoplasmsSpinal Canal