The term “rheumatologicaldisorders” refers to diseases that affect the major connective tissues of the body (e.g. skin, bone, blood vessels, cartilage and basement membrane).
Juvenile Idiopathic Arthritis (JIA) is the most common pediatric rheumatologic disease. It is associated with significant long term morbidity.
It was previously called as, Juvenile Rheumatoid Arthritis (by ACR –American College of Rheumatology) or Juvenile Chronic Arthritis (by ELAR –European League Against Rheumatism).