Can there be any relief for lumbar spinal stenosis?

Yes, numerous...: Conservative non-surgical treatments -- including anti-inflammatory meds (if no contraindications), pt, epidural injections. If symptoms persist despite these, then surgery could offer some great symptomatic relief of your extremity symptoms. Consult a spine surgeon. Also surgery if you start experiencing progressive neurological deficit, or changes in your bowel or bladder function.

Yes: For patients that have failed appropriate conservative care, surgery can be very beneficial. A thorough work up is required. The most common surgical treatment is a laminectomy. The success rate is good. Check out spinehealth .Com.

Decompression : Surgical decompression is successful when conservative therapy fails.

Somewhat: There are a multitude of treatments for spinal stenosis which to some extent can "cure" the symptoms of spinal stenosis to variable degrees. For example, an epidural steroid injection can sometimes cure the symptoms of spinal stenosis for a long time, sometimes well over a year at a time. But with any treatment, the symptoms can return, even if surgery is done symptoms can return.