systemic-onset juvenile idiopathic arthritis
MONDO:0019434Mondo
Findings
No curated finding names systemic-onset juvenile idiopathic arthritis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Systemic-onset juvenile idiopathic arthritis is marked by the severity of the extra-articular manifestations (fever, cutaneous eruptions) and by an equal sex ratio.
Definition from the Mondo Disease Ontology (MONDO:0019434), read 2026-09-29. CC BY 4.0.
Features
22 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- ArthralgiaHPOHP:0002829
- Very frequent (80% to 99% of cases)
- ArthritisHPOHP:0001369
- Very frequent (80% to 99% of cases)
- AutoimmunityHPOHP:0002960
- Very frequent (80% to 99% of cases)
- Elevated circulating C-reactive protein concentrationHPOHP:0011227
- Very frequent (80% to 99% of cases)
- Elevated erythrocyte sedimentation rateHPOHP:0003565
- Very frequent (80% to 99% of cases)
- FeverHPOHP:0001945
- Very frequent (80% to 99% of cases)
- Joint swellingHPOHP:0001386
- Very frequent (80% to 99% of cases)
- Juvenile idiopathic arthritisHPOHP:0005681
- Very frequent (80% to 99% of cases)
- Skin rashHPOHP:0000988
- Very frequent (80% to 99% of cases)
- LymphadenopathyHPOHP:0002716
- Frequent (30% to 79% of cases)
- Abdominal painHPOHP:0002027
- Occasional (5% to 29% of cases)
- Anterior uveitisHPOHP:0012122
- Occasional (5% to 29% of cases)
Show the remaining 10
- Elevated pulmonary artery pressureHPOHP:0004890
- Occasional (5% to 29% of cases)
- GlomerulonephritisHPOHP:0000099
- Occasional (5% to 29% of cases)
- Growth delayHPOHP:0001510
- Occasional (5% to 29% of cases)
- HepatomegalyHPOHP:0002240
- Occasional (5% to 29% of cases)
- Increased circulating ferritin concentrationHPOHP:0003281
- Occasional (5% to 29% of cases)
- Non-infectious meningitisHPOHP:0033430
- Occasional (5% to 29% of cases)
Where it sits
Other names
5 names
Resolves to: systemic-onset juvenile idiopathic arthritis
- Also called
- sJIASoJIAStill diseasesystemic polyarthritissystemic-onset JIA