MRI-detected erosions in clinically suspect arthralgia pts do not portend future Xray erosive disease or progression. Study of 405 CSA pts; 47% had MRI erosions that incr odds of Xray erosion [OR 5.2] but 96% of MRI-detected erosion had no assoc. Xray erosion. https://t.co/PXkEC3LO6n