Y Nishijima. Unilateral Microdecompression In Lumbar Canal Stenosis With Degenerative Olisthesis. The Internet Journal of Minimally Invasive Spinal Technology. 2006 Volume 1 Number 1.
The purpose of this report is to present microscopic decompression through unilateral approach in patients with lumbar spinal canal stenosis and to show follow-up studies of consecutive 321 cases including 250 cases with lumbar instability in X-ray film.
1. Main clinical symptom is cauda equina intermittent claudication
2. Main pathology showed by neuroradiological studies is dural compression by hypertrophied yellow ligaments.
3. Symptoms related to an unstable spine is mild.
4. Over 3 months conservative therapy failed to improve the claudication.