Injections, EpiduralRadiculopathySteroidsTriamcinoloneSpinal Nerve RootsEpidural SpaceSciaticaSpinal StenosisFluoroscopyLumbar VertebraeLumbosacral RegionIntervertebral Disc DisplacementLow Back PainBack PainRadiography, InterventionalAnesthetics, LocalFlushingBetamethasoneWrestlingAdrenal Cortex HormonesInjectionsPain MeasurementInjections, Intra-ArticularGlucocorticoidsSpinal CordMethylprednisoloneLidocaineTriamcinolone AcetonidePain ManagementPain ClinicsAnti-Inflammatory AgentsTreatment OutcomeCervical VertebraeParamethasoneInjections, SpinalPainInjections, IntralesionalSpinal Cord InjuriesNerve BlockNerve Compression SyndromesDisability EvaluationRetrospective StudiesSciatic NerveProspective StudiesSpinal NervesInjections, IntramuscularLumbosacral PlexusPeripheral NervesCoccyxNeedlesSpinal CanalSacrococcygeal RegionDecompression, SurgicalCauda EquinaNerve FibersMagnetic Resonance ImagingSacrumCarpal Tunnel SyndromeTibial NeuropathyInjections, IntravenousMedian NervePolydipsiaTime FactorsTennis ElbowFasciitis, PlantarTendinopathyOptic NerveTrigger Finger DisorderSpinal Cord NeoplasmsSpinal DiseasesNerve RegenerationSpinal Cord DiseasesLaminectomySpinal Cord CompressionChalazionTietze's SyndromeCarpal JointsHeelBursitisDouble-Blind MethodSaline Solution, HypertonicNeck PainInjections, SubcutaneousMyelographyTooth RootGanglia, SpinalSpinal NeoplasmsRats, Sprague-DawleyTrigeminal NerveChronic DiseaseShoulder PainTibial NerveDiskectomySpinal FusionAnesthesia, SpinalPeripheral Nervous System NeoplasmsFacial NerveSural NerveInjections, IntraperitonealPeripheral Nerve Injuries