ankylosing spondylitis


Is there a characteristic symptom or clinical feature of ankylosing spondylitis?

The hallmark feature of AS is the involvement of the sacroiliac (SI) joints, or hip joints. Sacroiliitis is the inflammation of the SI joint, and will cause erosion of the joint that can be seen on X-ray or MRI.

SOURCE: Emory University - Department of Human Genetics in collaboration with ThinkGenetic • • DATE UPDATED: 2016-06-07


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