Fast Five Quiz: Psoriatic Arthritis Presentation and Diagnosis

Herbert S. Diamond, MD; Eric M. Ruderman, MD; Marina Magrey, MD


January 25, 2023

Figure 1. Psoriatic arthritis, illustration.

Data suggest that psoriatic arthritis presents before psoriasis in 10-15% of cases. In those cases, a family history may reveal a hereditary pattern of psoriasis.

In the majority of patients (60%-80%), psoriasis appears to precede the onset of psoriatic arthritis, with an average of 7-12 years between these diagnoses. Occasionally, arthritis and psoriasis appear simultaneously.

Learn more about the presentation of psoriatic arthritis.


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