Abstract
We report an unusual case of a sequestered high lumbar intradural disc herniation mimicking a spinal tumor radiologically in a 49-year-old man who presented with bilateral radicular pain and weakness of the lower extremities. Magnetic resonance (MR) imaging of the lumbo-sacral spine revealed the presence of an intradural extramedullary lesion at the L1-2 level abutting the conus medullaris. The patient underwent laminectomy and microsurgical resection of the mass. Pathological examination of the resected lesion revealed it to be of disc material. Postoperatively, the patient experienced complete remission of symptoms. The differential diagnosis of a sequestered intradural enhancing lesion in the lumbar region causing nerve root compression or cauda equina syndrome must include disc herniation. In addition, early surgery provides the best opportunity for full neurological recovery.
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