Patients Undergoing 3-Level-or-Greater Decompression-Only Surgery for Lumbar Spinal Stenosis Have Similar Outcomes to Those Undergoing Single-Level Surgery at 2 Years

Multiple level lumbar decompression with completion of spinous processes and lamina removal from pathologic levels. A foraminotomy is being performed by following the nerve root into the foramen with the Kerrison rongeur. Final visualization should ensure that all affected nerve roots are free and mobile.