Reviewer: Vijay Shankar, M.D. (see Reviewers page)
Revised: 13 May 2013, last major update May 2013
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- Affects 5-10% of psoriasis population, usually ages 35-45 years
- Onset or exacerbation may be associated with trauma (Can Fam Physician 2012;58:e636)
- First affects DIP of hands and feet; similar to rheumatoid arthritis but milder
- Inflammation of digital tendon sheaths causes sausage fingers
- Also causes conjunctivitis, iritis
Psoriatic arthritis of hands
Swollen and erythematous third digit
- Similar to rheumatoid arthritis but tends to be more fibrotic
End of Joints > Non-infective arthritis > Psoriatric arthritis
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