Oligoarthritis

Oligoarthritis is defined as arthritis affecting one to four joints during the first six months of disease.^[1]

Types

Two subcategories are recognized:^[2][1]

• Persistent oligoarthritis: Affecting not more than 4 joints throughout the disease course
• Extended oligoarthritis: Affecting a total of more than 4 joints after the first 6 months of disease

Notes

1. ^ ^{a b} Petty RE, Southwood TR, Manners P, et al. (February 2004). "International League of Associations for Rheumatology classification of juvenile idiopathic arthritis: second revision, Edmonton, 2001". J. Rheumatol. 31 (2): 390–2. PMID 14760812. 
2. ^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0. 

References

• Medical Glossary of the Spondylitis Association of America
• Pauciarticular juvenile rheumatoid arthritis (oligoarthritis)
• About Oligoarthritis