psoriatic arthritis

psoriatic arthritis n a severe form of arthritis accompanied by inflammation, psoriasis of the skin or nails, and a negative test for rheumatoid factor called also psoriasis arthropathica

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arthritis associated with psoriasis. It occurs in only a small minority of patients with psoriasis but may be painful and disabling. It often affects small joints, such as the terminal joints of the fingers and toes, or the spine (spondylitis) and the sacroiliac joints (sacroiliitis).

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a syndrome of psoriasis in association with arthritis; rheumatoid factor is usually not present in the serum of affected individuals. Called also arthritic psoriasis, psoriasis arthropathica, and psoriatic arthropathy.

Medical dictionary. 2011.

Look at other dictionaries:

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