juvenile rheumatoid arthritis diagnosis criteria

It can be symmetrical with large and small joints involved with swelling.It can be asymmetrical - this carries a higher risk of uveitis.It is more common in females than in males (ratio 3:1). There are two peaks of incidence: toddler to preschool age and pre-adolescent.

Polyarticular JIA (RF negative): arthritis affecting five or more joints in the first six months with a negative RF: The knee and ankle are most commonly affected.It typically presents with one or two swollen joints causing stiffness and reduced movement but often not much pain.It usually presents in those under 6 years old and is more common in females.Persistent oligoarthritis: no more than four joints affected after six months.Extended oligoarthritis: more than four joints affected after six months.Oligoarticular JIA: arthritis affecting 1-4 joints in the first six months. Juvenile idiopathic arthritis symptoms Type of juvenile idiopathic arthritis It is described in all geographical areas but with large variations. It is more common in females, although there are differences depending on the subset. The overall prevalence is estimated to be 1-2 per 1,000 children, with an incidence of 1 per 10,000. Who gets juvenile idiopathic arthritis? (Epidemiology) They describe seven subsets of JIA with differing clinical courses: There are several classification systems with the International League of Associations for Rheumatology (ILAR) criteria most widely accepted. Juvenile idiopathic arthritis (JIA) is defined as joint inflammation presenting in children under the age of 16 years and persisting for at least six weeks, with other causes excluded.

Synonyms: Still's disease, juvenile arthritis, juvenile chronic arthritis, juvenile rheumatoid arthritis What is juvenile idiopathic arthritis?

Juvenile rheumatoid arthritis diagnosis criteria