Diagnosis: Other hereditary ataxiasClinical question: r/o lumbar plexopathySigns and Symptoms: see above Five lumbar type vertebral bodies are presumed to be present which are appropriate in overall alignment and height. The conus medullaris on sagittal imaging is grossly intact. No abnormal enhancing lesions are appreciated in the lumbar spine.At L5-S1 there is no significant compromise to spinal canal. There is loss of disc space height, disc desiccation and diffuse disc bulge at this level associated with encroachment of the right-sided exiting nerve root within the neural foramen. This is unchanged since the prior exam.At L4-5 there is no significant compromise to spinal canal or neural foramina. There is loss of disc space height and endplate reactive change present at this level. The endplate reactive change is high signal on T2 and low signal on T1 as well as contrast enhancement. There is mild narrowing of the neural foramina at this level but no encroachment of the exiting nerve roots within the neural foramina. The fat at the lateral recess is not effaced on either side. Compared to the prior exam the disc bulge at this level as regressed.At L3-4 there is no significant compromise to spinal canal or neural foramina. There is a mild disc bulge, loss of disc space height and disc desiccation at this level.At L2-3 there is no significant compromise to spinal canal or neural foramina. There is loss of disc space height, disc desiccation and a diffuse disc bulge associated with endplate reactive change at this level. The endplate reactive change is high signal on T2 and low signal on T1 as well as contrast enhancement. At L1-2 there is no significant compromise to spinal canal or neural foramina.
1.There is some encroachment of the right-sided exiting nerve roots at the L5-S1 level within the neural foramen. 2.There are multilevel degenerative changes present in the lumbar spine.3.There are some subacute endplate reactive changes present in the lumbar spine at L2-3 and L4-5.4.Since the prior exam a disc bulge at the L4-5 has become less prominent.