It affects fewer than four joints, usually the knee, ankle, wrist, and/or elbow. Other more general (systemic) symptoms are usually absent, and the child's growth usually remains normal.
Polyarticular JRA affects five or more joints simultaneously. This type of JRA usually affects the small joints of both hands and both feet, although other large joints may be affected as well.
Hips, back, fingers, and toes are frequently affected. A skin condition called psoriasis accompanies this type of arthritis.
No
In JRA, the synovial membrane becomes intensely inflamed. Usually thin and delicate, the synovium becomes thick and stiff, with numerous infoldings on its surface.
it isn't contagious so you are just born with it
Everything hehehehehehehehe
Wah Meeka Jra
No system is really damaged by JRA. It causes mostly damage of the joints. Basically, in JRA, your immune system is attacking itself.Hopefully that answers your question!
About 250,000 children are said to have JRA in the USA.
There seems to be some genetic link, based on the fact that the tendency to develop JRA sometimes runs in particular families, and based on the fact that certain genetic markers are more frequently found in patients with JRA.
Rheumatoid arthritis affect people of all ages even babys. In the case of young people it is often referred to as JRA or Juvenile Rheumatoid arthritis. If it is diagnosed action should be taken immediately to avoid joint and other tissue damage.
I suppose JRA (Juvenile rheumatoid arthritis).