Juvenile idiopathic arthritis in a premature baby: rare case report.

Juvenile idiopathic arthritis (JIA) is chronic arthritis in children and adolescents. It is clinically diagnosed, which includes children under the age of 16 with arthritis for at least six weeks. Cases younger than six months of age are extremely rare. Here we report a rare case in the literature about Juvenile idiopathic arthritis in a premature baby, presenting at 21 days of age. The diagnosis was made according to clinical symptoms, laboratory analyses and duration of disease.