Definition
Juvenile Idiopathic Arthritis (JIA) is an arthritic disease that begins before the age of 16. Childhood addiction is also called juvenile idiopathic Arthritis (JIA). The disease is divided into different types, depending on the symptoms and the course of the disease.
Each subgroup is described on its own pages, please follow the links:
Systemic Type (Still’s Disease) here characteristics such as fever, rash, arthritis.
Oligoarticular form has four or fewer affected joints in the first 6 months of the course. Arthritis of the knees, ankles or other large joints. Risk of eye inflammation and damaged vision. Most often girls.
Polyarticular form have many (at least five) swollen joints already the first 6 months. Often fingers, toes, wrists, ankles, jaw joints and cervical vertebrae. This is the most severe form.
Entesite-related arthritis begins with arthritis in large joints and tendon attachments (entheses). Iliosacral joints and back are gradually attacked. Most often boys and most have the tissue type HLA-B27. Eye inflammation is not an uncommon complication.
More about rheumatic diseases in children is described here (in Danish)
