T11 sensory level, lower extremity weakness. There is a 3 mm wide filum terminale fibrolipoma, without a low-lying conus medullaris. There is no evidence of enhancing mass lesions. At L4-5, there is a small disc bulge and annular fissure, but no significant spinal canal or neural foraminal stenosis. There is no significant spinal canal stenosis at the other thoracic and lumbar spine levels either. The spinal cord displays normal signal and morphology, without evidence of acute infarction. The vertebral column alignment is within normal limits. The vertebral body heights are preserved. The vertebral bone marrow signal is unremarkable. The paravertebral soft tissues are unremarkable.
1. Incidental 3 mm wide filum terminale fibrolipoma.2. No evidence of thoracic spinal cord infarction.3. Degenerative spondylosis at L4-5 without significant spinal canal stenosis.