Copyright
©2013 Baishideng Publishing Group Co.
World J Rheumatol. Nov 12, 2013; 3(3): 16-24
Published online Nov 12, 2013. doi: 10.5499/wjr.v3.i3.16
Published online Nov 12, 2013. doi: 10.5499/wjr.v3.i3.16
Table 1 Classification of subtypes of juvenile idiopathic arthritis[12]
Systemic arthritis |
Definition: Arthritis in one or more joints with or preceded by fever of at least 2 wk’ duration that is documented to be daily (“quotidian”) for at least 3 d, and accompanied by one or more of the following: |
1 Evanescent (non-fixed) erythematous rash |
2 Generalized lymph node enlargement |
3 Hepatomegaly and/or splenomegaly |
4 Serositis |
Exclusions: 1 to 4 |
Oligoarthritis |
Definition: Arthritis affecting one to 4 joints during the first 6 mo of disease. Two subcategories are recognized: |
1 Persistent oligoarthritis: Affecting not more than 4 joints throughout disease course |
2 Extended oligoarthritis: Affecting a total of more than 4 joints after the 6 mo of oligoarticular disease |
Exclusions: 1 to 5 |
Polyarthritis (Rheumatoid factor negative) |
Definition: Arthritis affecting 5 or more joints during the first 6 mo of disease; a test fot RF is negative. |
Exclusions: 1 to 5 |
Polyarthritis (Rheumatoid factor positive) |
Definition: Arthritis affecting 5 or more joints during the first 6 mo of disease; 2 or more tests for RF at least 3 mo apart during the first 6 mo of disease are positive. |
Exclusions: 1, 2, 3, 5 |
Psoriatic arthritis |
Definition: Arthritis and psoriasis, or arthritis and at least two of the following: |
1 Dactylitis |
2 Nail pitting or onycholysis |
3 Psoriasis in a first-degree relative |
Exclusions: 2, 3, 4, 5 |
Enthesitis related arthritis |
Definition: Arthritis and enthesitis, or arthritis or enthesitis with at least two of the following: |
1 The presence or a history of sacroiliac joint tenderness and/or inflammatory lumbosacral pain |
2 HLA-B27 positivity |
3 Onset of arthritis in a male over 6 yr of age |
4 Acute (symptomatic) anterior uveitis |
5 History of ankylosing spondylitis, enthesitis-related arthritis, sacroiliitis with inflammatory bowel disease, reactive arthritis, or acute anterior uveitis in a first-degree relative |
Exclusions 1, 4, 5 |
Undifferentiated arthritis |
Definition: Arthritis that fulfills criteria in no category or in 2 or more of the above categories |
Exclusion criteria for JIA |
1 Psoriasis or a history of psoriasis in a first-degree relative |
2 Arthritis in an HLA-B27 positive male following his 6th birthday |
3 History of ankylosing spondylitis, enthesitis-related arthritis, sacroiliitis with inflammatory bowel disease, reactive arthritis (Reiter’s syndrome), or acute anterior uveitis in a first-degree relative |
4 The presence of IgM rheumatoid factor on 2 or more occasions at least 3 mo apart |
5 The presence of systemic JIA in the patient |
- Citation: Makay B, Unsal E, Kasapcopur O. Juvenile idiopathic arthritis. World J Rheumatol 2013; 3(3): 16-24
- URL: https://www.wjgnet.com/2220-3214/full/v3/i3/16.htm
- DOI: https://dx.doi.org/10.5499/wjr.v3.i3.16