Laminectomy is s surgical treatment where the lamina or portion of the vertebral bone is moved. The procedure is generally carried out to treat spinal stenosis. Spina stenosis is the single most common diagnosis that leads to spinal surgery, of which a laminectomy represents one component. In this procedure the lamina of the vertebra is removed or trimmed to widen the spinal canal. it finally leads to create more space for the spinal nerve and thecal sac. Surgical treatment that includes a laminectomy is the most effective remedy for severe spinal stenosis.