Types of juvenile idiopathic arthritis.

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They include;

• Oligoarticular arthritis. This type affects 4 or less joints in the patient.
• Polyarticular (Rhf negative). This type affects more than 5 joints. The negative in the Rhf, an abbreviation for rheumatoid factor, represents the missing antibodies in the patient’s blood.
• Polyarticular (Rhf positive). This type also affects 5 or more joints. Within the patient’s blood, the rheumatoid factor exists. Polyarticular type of arthritis has similar characteristics with rheumatoid arthritis in adults.
• Systemic arthritis. This form of juvenile idiopathic arthritis is chronic and is characterized by systemic features.
• There is also arthritis that is Enthesis related. Enthesis is the inflammation of ligaments, fascia and tendon insertions. This type is also chronic.
• Psoriasis arthritis. This type is also chronic and is usually characterized by asymmetrical involvement of small and large joints.

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