The cause is unknown but it's thought to be related to environmental, genetic, and hormonal factors. A polymorphism in macrophage migration inhibitory factor has been associated with this condition.
Systemic-onset juvenile idiopathic arthritis
Juvenile idiopathic arthritis
Childhood arthritis
Sjögren–Larsson syndrome
Sjögren syndrome
Reactive arthritis
Psoriatic arthritis
CREST syndrome