Juvenile rheumatoid arthritis of the foot.

Rheumatoid arthritis occurring in children under 16 years of age is defined as juvenile rheumatoid arthritis. It is more common in females and the peak incidence is between 1 and 3 years of age. It can present in different forms. Mono- and pauciarticular type is complicated by iridocyclitis in 20%. Growth disturbances are common. Any conceivable combination of foot deformities can occur. Some of the secondary deformities can be prevented with conservative care. Principals of soft tissue and bony surgery have been outlined.