[Treatment of lumbar spinal stenosis with partial laminectomy and canal enlargement]

Thirty-eight patients with lumbar spinal stenosis were treated by partial laminectomy, incision of ligmental flava and canal enlargement. According to the pathological characteristic of lumbar spinal stenosis, both decompression and stability of the lumbar spine would be achieved by limited surgical treatment to the pathological segment and removing of any pathological factors. The average time for follow-up is 14 months. The excellent rate is 89.5%. The technique of the operation was also described and discussed.