Gout – An inflammatory arthritis associated with deposition of urate crystals in the joint

Hyperuricemia – Elevated serum levels of urate

Juvenile rheumatoid arthritis – A chronic inflammatory disease in children that is characterized by pain, swelling, and tenderness in one or more joints and may result in impaired growth and development

Rheumatoid arthritis – A chronic inflammatory disease that is probably triggered by an antigen-mediated inflammatory reaction against the synovium in the joint

Tophi – Chalky deposits of urate surrounded by inflammatory cells