Question

A 57-year-old woman presents with morning stiffness lasting more than 1 hour, symmetrical small joint pain in the hands, and rheumatoid factor positivity. Which additional antibody is highly specific for rheumatoid arthritis?

Accepted Answer

Anti-cyclic citrullinated peptide antibody

Answer

Anti-histone antibody

Answer

Anti-nuclear antibody

Answer

Anti-double stranded DNA antibody

Answer

Anti-smooth muscle antibody

Practice question

A 57-year-old woman presents with morning stiffness lasting more than 1 hour, symmetrical small joint pain in the hands, and rheumatoid factor positivity. Which additional antibody is highly specific for rheumatoid arthritis?