類風濕性關節炎：概述、診斷與治療 | 合法醫療器材資訊網

類風濕關節炎是一種全身性自身免疫性疾病，其特徵在於關節滑膜的慢性炎症。...CCP抗體會在早期的類風濕性疾病中出現，而RFIgM則是RA中的主要RF自體抗體，60%至80%的RA...許多檢測利用散射及透射比濁法測量類風濕性因子(RF)​。

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...