title: Myelographic block caused by redundant lumbar nerve root. Case report.
mesh_terms: D000328:Adult; D006801:Humans; D007796:Laminectomy; D007866:Leg / Q000294:innervation; D008159:Lumbar Vertebrae; D008297:Male; D009133:Muscular Atrophy / Q000209:etiology; D009192:Myelography; D010146:Pain; D013118:Spinal Cord Diseases / Q000000981:diagnostic imaging / Q000601:surgery; D013126:Spinal Nerve Roots / Q000601:surgery