How is psoriatic arthritis differentiated from rheumatoid arthritis and gout?

Updated: Mar 17, 2021
  • Author: Jacquiline Habashy, DO, MSc; Chief Editor: William D James, MD  more...
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The diagnosis of psoriasis is clinical. The differentiation of psoriatic arthritis from rheumatoid arthritis and gout can be facilitated by the absence of the typical laboratory findings of those conditions. Overlap with other arthritic syndromes is possible, however.

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