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Table 2 Pattern of joint affection

From: Differences between leukemic arthritis and juvenile idiopathic arthritis

 

Leukemic arthritis

JIA

Oligoarticular

50% (migratory in 5)

10%

Polyarticular

43%

85%

Enthesitis related arthritis

7%

5%

  1. Oligoarthritis: 1 to 4 joints, Polyarthritis: 5 or more joints, Migratory arthritis: swelling in one or two joints, with resolution over a few days. As the symptoms resolve, similar symptoms emerge in another joint, usually in an asymmetric location