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There used to be two ways to classify juvenile
arthritis. There was the European classification of juvenile chronic arthritis (JCA). And there was the American classification of
juvenile rheumatoid arthritis (JRA). Each system used different categories. This made it hard to use European and American
research findings and treatment guidelines together.
improve research and treatment, the International League Against Rheumatism has
devised a set of international criteria that uses the term "juvenile
idiopathic arthritis" (JIA). The word "idiopathic" means "of unknown cause." This approach is
now used by most researchers and health professionals.
The table below summarizes the three
JRA does not include similar types of childhood
arthritis (juvenile ankylosing spondylitis, juvenile psoriatic
No matter the classification, children who have
symptoms before age16 are said to have juvenile
ByHealthwise StaffPrimary Medical ReviewerSusan C. Kim, MD - PediatricsSpecialist Medical ReviewerJohn Pope, MD - Pediatrics
Current as ofSeptember 9, 2014
Current as of:
September 9, 2014
Susan C. Kim, MD - Pediatrics
& John Pope, MD - Pediatrics
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