類風濕性關節炎：概述、診斷與治療 | 合法醫療器材資訊網

類風濕性關節炎(RA)為全身性自體免疫疾病，特徵為慢性關節滑膜發炎。常見的初期臨床特徵包括：2-4.僵硬：患者可能會在早晨感到身體 ...

As active disease approaches, RF IgM and CCP levels surpass RF IgA levels.

A clinical history and examination are chief to identifying RA, with imaging and laboratory tests providing additional specificity that can help you diagnose patients and begin treatment earlier.10,11

Many tests measure rheumatoid factor (RF) using nephelometry or turbidometry. However, using an RA panel that can distinguish between the different RF isotypes—RF IgA and RF IgM in particular—can give you important additional diagnostic guidance.12-14

Testing can help provide a quicker diagnosis, while potentially ruling out other possible diseases, and is simple, specific, and reliable.

The 2010 American College of Rheumatology/European League Against Rheumatism collaborative initiative classification criteria are based on clinical presentation of synoviti...