类风湿关节炎早期诊断的影像学方法研究进展

Advances in imaging methods for early diagnosis of rheumatoid arthritis

类风湿关节炎（RA）是一种病因不明的以慢性、对称性、侵袭性关节炎为主要特征的全身性自身免疫疾病。患者可出现严重的关节畸形及功能丧失，致残率及病死率较高。目前，临床上尚无有效措施可逆转其已经发生的关节骨质破坏。因此，对RA进行早期诊断是改善RA预后的关键。近年来，影像学检查在RA早期诊断中发挥着越来越重要的作用，成为国内外学者研究的热点。笔者对近年来RA的早期影像学诊断方法研究进展进行综述。

Rheumatoid arthritis （RA） is a systemic autoimmune disease with unknown etiology. The main feature of RA is chronic, symmetrical and invasive arthritis. RA may present with severe joint de- formity and functional loss, which has higher disability and fatality rates. At present, no effective measures can reverse bone damage associated with RA clinically. Therefore, early diagnosis of RA is critical to im- prove prognosis. In recent years, imaging increasingly plays an important role in the early diagnosis of RA. This article reviews recent advances in imaging methods for early diagnosis of RA.