Rheumatoid factor-negative polyarticular juvenile idiopathic arthritis
Synonyms: Juvenile polyarthritis without rheumatoid factor | Juvenile rheumatoid factor-negative polyarthritis | Rheumatoid factor-negative polyarticular JIA
A rare form of polyarticular juvenile idiopathic arthritis characterized by childhood-onset chronic arthritis of unknown cause involving five or more joints at disease onset and absence of rheumatoid factor IgM.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version September 2023.
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Rheumatoid factor-negative polyarticular juvenile idiopathic arthritis?
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