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What is Which of the following is not a feature of Juvenile Idiopathic Arthritis – and explain in detail?
Juvenile idiopathic arthritis

Juvenile idiopathic arthritis is broad term that describes a clinically heterogenous group of arthritides of unknown cause, which begin before 16 years of age.
This term encompasses several disease categories : -

1. Juvenile rheumatoid arthritis (see previous explanations) : -
i) Pauciarticular (oligoarticular) JRA
ii) Poly-articular JRA

RA. factor (+) ye
RA factor (-) ye

iii) Systemic JRA

Juvenile psoriatic arthritis
Juvenile enthesitis related arthritis (ERA)

​Subgroups of Juvenile Idiopathic Arthritis (JIM