Psoriatic arthritis x ray

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Psoriatic arthritis Microchapters


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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Chandrakala Yannam, MD [2]


An x-ray may be helpful in the diagnosis of psoriatic arthritis. Findings on an x-ray suggestive psoriatic arthritis include bone erosion, characteristic "pencil-in-cup" deformities and proliferative changes. Psoriatic arthritis may also lead to periostitis, dactylitis, or arthritis mutilans.

X-ray of digits

Psoriatic-arthritis of hands showing pencil-in-cup deformity - By Case courtesy of Dr Jeremy Jones, <a href=""></a>. From the case <a href="">rID: 8798</a>


  1. McGonagle D, Hermann KG, Tan AL (January 2015). "Differentiation between osteoarthritis and psoriatic arthritis: implications for pathogenesis and treatment in the biologic therapy era". Rheumatology (Oxford). 54 (1): 29–38. doi:10.1093/rheumatology/keu328. PMC 4269795. PMID 25231177.
  2. Siannis F, Farewell VT, Cook RJ, Schentag CT, Gladman DD (April 2006). "Clinical and radiological damage in psoriatic arthritis". Ann. Rheum. Dis. 65 (4): 478–81. doi:10.1136/ard.2005.039826. PMC 1798082. PMID 16126794.
  3. Haddad A, Chandran V (2013). "Arthritis mutilans". Curr Rheumatol Rep. 15 (4): 321. doi:10.1007/s11926-013-0321-7. PMID 23430715.

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