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Pediatric Rheumatology Glossary
100 terms total — 2 showing — Last updated 15 Sep 2026
Term of the Day
cytokine storm syndrome CSS
Advanced
Technical
IVT
A life-threatening hyperinflammatory condition characterized by excessive immune activation and cytokine release, often complicating systemic juvenile arthritis.
15 Sep 2026
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polyarticular RF-negative
Professional
Technical
IVT
A JIA subtype affecting five or more joints with negative rheumatoid factor, typically having better prognosis than RF-p...
Technical Term
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polyarticular RF-positive
Professional
Technical
IVT
A subtype of juvenile idiopathic arthritis affecting five or more joints with positive rheumatoid factor testing.
Technical Term
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