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14. Picture of Psoriatic Arthritis

Picture of Psoriatic Arthritis
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Psoriatic arthritis is a specific condition in which a person has both psoriasis and arthritis. Psoriatic arthritis is an autoimmune disease, meaning that the immune system is misdirected to cause inflammation of one's own tissues. Rarely, a person can have psoriatic arthritis without having skin psoriasis. Moreover, the arthritis can precede the psoriasis by months or years, or present after years of psoriasis.

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  Slideshow: Psoriasis

Reviewed by William C. Shiel Jr., MD, FACP, FACR on December 9, 2009

Image Source: Image courtesy of Hon Pak, M.D. and reprinted with permission from eMedicine.com, 2009

Text: eMedicineHealth: Types of Psoriasis

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