What is the difference between spinal stenosis and ankylosing spondylitis?

Totally different. Spinal stenosis is narrowing of the spinal canal due to osteoarthritic changes. Ank spondy is an inflammatory arthritis in which the inflammation is basically where ligaments attacks to the vertebral bodies.
A great deal .... Spinal stenosis is narrowing of the foraminal canals that the nerves exit from in the spine and can be caused by arthritis, disc herniation inflammation and such. Ankylosing spondylitis is an immune disease whereby the lower spine pelvis and major joints gradually stiffen secondary to the bodies immune inflammatory response. Typically associated with ra, common in men and test marker is hla-b27.
A great deal. Spinal stenosis refers to the width of the spinal canal that one is born with ankylosing spondylitis ia a rheumatological condition.

Related Questions

Follow up to previous question. Can severe pain after bm in patient with ankylosing spodylitis or spinal stenosis be warning for cauda equina syndrom?

No. Numbness of your perineum (buttock and groin), urinary urgency (have to go to the wash room immediately), incontinence that is mild and comes and goes may be warning of caudal equina syndrome, not usually just severe pain after a bm. Read more...
No it is not. Severe pain after bm is not a warning sign od cauda eqina syndrome. Read more...

Ten years of back pain troubles caused ddd and spinal stenosis, seems to be lumbar spondylitis related. Tried 1 celebrex (celecoxib) 200mg and helps! Any advice?

? obvious answer? Celebrex (celecoxib) is still on the market for exactly such situations, particularly if "garden-variety" nsaids have not worked. You need to discuss the risks of long-term use vs. The benefits of treatment / pain relief with your dr to make educated choice if long term use good for you. Read more...