Definition of "tophi" []

• Plural form of tophus. (noun)

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• "In tophaceous gout (which is marked by frequent recurrence), uric acid crystal deposits - called tophi - show up in the different tissues near the joints."
• "These nodular concretions are called tophi or chalkstones."
• "Symptoms include severe pain in the joints that develop within a few hours, swelling and warmth around the joint, red and shiny skin, fever and firm, white lumps beneath the skin called tophi (if you have had gout for some time)."