Fast Five Quiz: Polyarticular Psoriatic Arthritis

Herbert S. Diamond, MD


February 04, 2020

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

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

Learn more about the various clinical manifestations of psoriatic arthritis.


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