25th February 2025

A patient is seen in dermatology clinic for their psoriasis.

A patient is seen in dermatology clinic for their psoriasis. While there, they mention that they have also been suffering from occasional swelling of individual fingers and general pain and stiffness of the hands. On examination you note tenderness and swelling in the distal interphalangeal joints. There is a family history of rheumatoid arthritis. Which of the following blood tests would you expect to be raised?

Select the SINGLE most appropriate option from the list below. Select ONE option only.