Juvenile Rheumatoid arthritis (JRA) is a chronic disease leading to swelling, pain, stiffness and redness in the joints. Chronic joint affection leads to destruction and deformity of the joints. It can go into remission and relapses and can last for years. It is a common rheumatic disease that can also affect multiple other organs of the body.
What is Antinuclear Body Test:
Antibodies are substances that are produced by the immune system of the body to fight the germs causing infection. Sometimes there is abnormal production of antibodies (auto-antibody) that attack the body's own body systems and tissues leading to autoimmune diseases such as systemic lupus erythematosus (SLE), Rheumatoid Arthritis (RA), scleroderma, Sjogren's syndrome etc.