Which of the following is the most specific test for Rheumatoid ahritis: (A) Anti-ccp antibody, (B) Anti Igm antibody, (C) Anti IgA antibody, (D) Anti IgG antibody
Answer is A. to establish diagnosis of rheumatoid ahritis are * Clinical criteria * ESR and CRP * Ultrasound or MRI * Rheumatoid factor and anti-citrullinated peptide antibodies DAVIDSON&;S 22nd EDITION;PAGE NO 1100