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Psoriatic Arthritis

This is an inflammatory arthritis associated with Psoriasis - 10-40% of psoriasis patients. It's 3 common presenting patterns are:

  • Symmetrical polyarthritis - similar to RA

  • Asymmetrical oligoarthritis

  • Spondylitis +/– sacroiliitis


It's clinical features include:

  • Psoriatic skin plaques

  • Nail changes - Koilonychia and Onycholysis

  • Dactylitis - distinctive features, occuring in 25% of patients

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“Severe psoriatic arthritis” © James Heilman, MD CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/)

It's managed with:

  • Steroids/NSAIDs for symptomatic relief

  • DMARDS (Methotrexate, Sulfasalazine, Hydroxychlowoquine)

  • Biologics (Infliximab)




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