AB0662 Inflammatory Power Doppler Ultrasound Lesions of the Entheses and Hip Joints in Patients with Ankylosing Spondylitis before and after 6 Months of Tnf-α Blocking Therapy in Daily Clinical Practice

Abstract

BackgroundInflammatory entheseal and hip involvement are characteristic extra-spinal manifestations of ankylosing spondylitis (AS). In clinical studies these manifestations are commonly evaluated by enthesitis indexes such as the Maastricht AS Enthesitis...