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.
Medscape © 2022 WebMD, LLC
Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.
Cite this: Herbert S. Diamond. Fast Five Quiz: Polyarticular Psoriatic Arthritis - Medscape - Feb 01, 2022.