oligoarthritis number

What is Oligoarthritis? Oligoarthritis is joint stiffness and swelling which most often affects large joints, such as the knees, elbows, and ankles. It’s diagnosed in children and teens who are less than sixteen years old. Oligoarthritis also called oligoarticular juvenile idiopathic arthritis, is the most common type of JIA (juvenile idiopathic arthritis). What are the…