Fig. 4From: Clinical effect analysis of laminectomy alone and laminectomy with instrumentation in the treatment of TOLFLaminectomy with instrumentation. A 62-year-old male patient, ossification of ligamentum flavum and compression degeneration of spinal cord were seen in CT (figure A, B) and MRI (figure C, D) before operation. We performed OLF resection with LI (Fig. E, F). During the 2-year follow-up, the preoperative JOA score increased from 4 to 8 (JOA score improvement rate was 57.1 %)Back to article page