rheumatoid factor-positive polyarticular juvenile idiopathic arthritis
ORPHA: 85435
Overview
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
Available Treatments (0)
No treatments linked yet
Clinical trials or compassionate use may be available — consult a specialist.
Clinical Presentation
Signs and symptoms associated with rheumatoid factor-positive polyarticular juvenile idiopathic arthritis, sourced from HPO and Orphanet clinical annotations.
Abnormal circulating interleukin concentrationArthritisArthralgiaRheumatoid factor positivePolyarticular arthritisLimitation of joint mobilityJoint swellingAbnormal limb bone morphologyElevated erythrocyte sedimentation rateProgressive joint destructionAbnormal epiphysis morphologyInterphalangeal joint erosionsElevated circulating C-reactive protein concentrationSymmetric polyarthritisSynovitisOsteopeniaReduced bone mineral densityPremature epimetaphyseal fusionAsymmetric growth
Classification & Codes
Orphanet Code
ORPHA:85435rheumatoid factor-positive polyarticular juvenile idiopathic arthritis
| Orphanet | ORPHA:85435 |
| Treatments | 0 drug(s) |
| Symptoms on record | 19 signs |
| Status | published |
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO