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


Synovitis is a nonspecific term that simply means inflammation of the synovial lining. Numerous conditions cause or are associated with synovitis. The pathologic characteristics of the synovitis vary depending on the condition.

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