What is the difference between ankylosing spondylitis and spondylolisthesis?

Inflammatory v degen. Ankylosing spondylitis (AS) is an inflammatory arthritis that affects the spine, pelvis, and sometimes the peripheral joints as well. Spondylolisthesis is a degenerative change in the spine that allows one vertebra to slide out of alignment with the one next to it. These conditions are treated differently.

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Is there a difference between ankylosing spondylitis and spondylolisthesis?

Absolutely. Ank spondy is a multisystem disease characterized by inflammation of the ligamentous insertions of the spine. Spondylolisthesis is a congenital instability in the lower back. Read more...