Any cure for lumbar spine stenosis other than surgical?

PT and injections: Physical therapy, and epidural steroid injections may be of help.

Several: A lot depends on the underlying cause of the stenosis. If it is due to an anterior vertebral compression fracture, vertebroplasty/kyphoplasty can be helpful. Interspinous spacers (x-stop, etc) can be helpful. Caudal or bilateral s1 transforaminal esi's can help. However, if the root cause is structural, surgery may ultimately be necessary. There are minimally invasive procedures available.