DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Ruptured tophus in gout. Close-up of a ruptured swelling (tophus) in the elbow of a 65-year-old male patient with gout. Gout is a disorder of uric acid metabolism in which crystals deposit in the joints causing painful swelling. Treatment includes anti-inflammatory drugs and drugs to lower the level of uric acid in the blood. Attacks of gout usually subside after a few days.
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