Classification criteria for psoriatic arthritis and ankylosing spondylitis/axial spondyloarthritis
Posted on: 12/6/2010
Classification criteria for spondyloarthritis has been constantly evolving as new research presents itself and the group of diseases is better understoood.An article in Clinical Rheumatology states that, “new criteria for psoriatic arthritis have been developed recently.”The authors state, “These criteria were validated in the Assessment of Spondyloarthritis International Society ASAS study on new classification criteria for axial SpA, a large international prospective study. In this new criteria, sacroiliitis showing up on MRI has been given as much weight as sacroiliitis on radiographs, thereby also identifying patients with early axial SpA.