Joint Damage in Psoriatic Arthritis: How is it Assessed and Can it be Prevented?

Philip J Mease1,2,3 and Désirée van der Heijde4
1Head, Seattle Rheumatology Associates, 2Chief, Rheumatology Research, Swedish Medical Center, and 3Clinical Professor, University of Washington School of Medicine, Seattle, WA, USA; and 4Department of Rheumatology, University Hospital Maastricht, Maastricht, The Netherlands.

Psoriatic arthritis (PsA) is an inflammatory arthritis that occurs in patients with psoriasis, a chronic skin condition present in 2-3% of the general population. It is not as well-recognized as other forms of arthritis, such as rheumatoid arthritis (RA) or osteoarthritis (OA), and is likely underdiagnosed.
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