“…Reducing subclinical inflammation, such as subclinical synovitis as visualized by sonography (gray scale and power Doppler) or magnetic resonance imaging (MRI), or osteitis, shown as bone marrow edema by MRI, to further reduce adverse structural or functional outcomes of RA was an ambitious goal. First, the clinical relevance of subclinical inflammation was unclear because subclinical inflammation, such as sonographic abnormalities in patients with clinical remission, subsides only after several months to years . Second, patients in full clinical remission, defined by any of the ACR-EULAR definitions, have been shown to exhibit no damage progression and attain optimal physical function, a clinical situation that is difficult to improve on …”