Ankylosing Spondylitis - Bone, Joint, and Muscle Disorders
https://www.merckmanuals.com/home/bone,-joint,-and-muscle-disorders/joint-disorders/ankylosing-spondylitis
WEBAnkylosing spondylitis is a spondyloarthritis characterized by inflammation of the spine (spondylitis), large joints, and fingers and toes, resulting in stiffness and pain. Prolonged joint pain, back stiffness, and eye inflammation are common. The diagnosis is based on symptoms, x-rays, and established criteria.
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