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What Is Pauciarticular JRA?

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Updated April 22, 2013

Definition: Pauciarticular JRA refers to a form of juvenile rheumatoid arthritis that affects four or fewer joints. Pauciarticular is the most common form of JRA; about half of all children with JRA have this type. This type of JRA most commonly affects girls. Girls under age 8 are most likely to develop this type of JRA.

Pauciarticular disease is a disease of few joints. It most commonly affects the knees, elbows, wrists, and ankles. The joints are usually affected asymmetrically (one joint on one side). Children affected by pauciarticular disease usually have a positive antinuclear antibody (ANA) test and are prone to an inflammatory eye condition, iridocyclitis. Children with pauciarticular JRA generally do well with treatment.

Sources:

Primer on the Rheumatic Diseases. Arthritis Foundation. Thirteenth edition.

Pronunciation: paw-see-art-ik-u-lar
Also Known As: JRA
Examples:
My daughter was diagnosed with Pauciarticular JRA.

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