Orphanet: Rheumatoid factor positive polyarticular juvenile idiopathic arthritis

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Rheumatoid factor-positive polyarticular juvenile idiopathic arthritis

Disease definition

A rare form of juvenile idiopathic arthritis characterized by distal and symmetrical polyarthritis (more than 5 joints) with presence of rheumatoid factor and possible evolution towards the appearance of erosions and joint destruction.


Classification level: Disorder
  • Synonym(s):
    • Juvenile idiopathic rheumatoid factor-positive polyarthritis
    • Juvenile polyarthritis with rheumatoid factor
    • Rheumatoid factor-positive polyarticular JIA
  • Prevalence: 1-9 / 100 000
  • Inheritance: Unknown 
  • Age of onset: Childhood
  • ICD-10: M08.0
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information


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