<unk>  is a type of arthritis defined by inflammation of two to four joints. It is also a name for a common form of juvenile idiopathic arthritis called pauciarticular juvenile rheumatoid arthritis. Olig is Latin for "few," differentiating it from polyarthritis, which affects five or more joints, and monoarthritis, which typically only affects one.
Oligoarthritis
Osteoarthritis
Reactive arthritis
Rheumatoid arthritis
Enteropathic arthropathy
Polychondritis
Septic arthritis
Crystal arthritis