Rheumatoid factor-positive polyarticular juvenile idiopathic arthritis
Rheumatoid factor-positive polyarticular juvenile idiopathic arthritis
Definition
A category of juvenile idiopathic arthritis defined by the presence of arthritis affecting five or more separate joints during the first six months of disease, with positive serologic testing for rheumatoid factor.
Also known as juvenile idiopathic rheumatoid factor-positive polyarthritis, polyarthritis with rheumatoid factor, polyarticular JIA, RF+, polyarticular juvenile idiopathic arthritis, RF+, polyarticular juvenile idiopathic arthritis, rheumatoid Factor Positive, rheumatoid factor-positive polyarticular JIA — per MONDO
Also identified as
Affected Organs
| Organ | Involvement | Source |
|---|---|---|
| Bone element | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Bone element | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |
| Connective tissue | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Musculoskeletal system | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Musculoskeletal system | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |
| Skeletal joint | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |