Abstract Number: 616 • 2014 ACR/ARHP Annual Meeting
In Situ Analysis of Mechanisms of New Bone Formation in Zygapophyseal Joints from Patients with Ankylosing Spondylitis
Background/Purpose Osteoproliferation leading to joint ankylosis is a characteristic feature of ankylosing spondylitis (AS). In general, there are two ways of bone formation: a) endochondral…