Fast Five Quiz: Polyarticular Psoriatic Arthritis

Herbert S. Diamond, MD


February 01, 2022

Polyarticular psoriatic arthritis is differentiated from rheumatoid arthritis by the presence of distal interphalangeal joint involvement, relative asymmetry, an absence of subcutaneous nodules, and, usually, a negative test result for rheumatoid factor.

Peripheral joint involvement is a common and potentially devastating feature of psoriatic arthritis. It is often symmetrical and polyarticular, but it can also be oligoarticular, asymmetrical, or on occasion, monoarticular.

Learn more about the various clinical manifestations of psoriatic arthritis.


Comments on Medscape are moderated and should be professional in tone and on topic. You must declare any conflicts of interest related to your comments and responses. Please see our Commenting Guide for further information. We reserve the right to remove posts at our sole discretion.