- Indications for microendoscopic decompressive laminotomy when + Lumbar spinal stenosis shows progressive nerve damage + Lumbar spinal stenosis with Cauda equina syndrome (CES) + Lumbar spinal stenosis with nerve root pain, no response to medication after 3 months of treatment - Underwent microendoscopic decompressive laminotomy for one or two levels - Monitored and evaluated the surgical results at the time of hospital discharge and 12 months.