title: Persistent nerve root compression by buckling of the longitudinal ligament after chemonucleolysis.
abstract: Buckling of the posterior longitudinal ligament with compression against the thecal sac was the cause of persistent positional back pain after chemonucleolysis. Computed tomography in the supine and prone positions was helpful in making the diagnosis, and the cause was confirmed at laminectomy.
mesh_terms: D000328:Adult; D001847:Bone Diseases / Q000209:etiology; D006801:Humans; D007404:Intervertebral Disc Chemolysis / Q000009:adverse effects*; D007796:Laminectomy; D008022:Ligaments / Q000473:pathology; D008297:Male; D009192:Myelography; D009408:Nerve Compression Syndromes / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D014057:Tomography, X-Ray Computed