Gout is a disorder of purine metabolism , and occurs when its final metabolite , uric acid , crystallizes in the form of monosodium urate , precipitating and forming deposits ( tophi ) in joints , on tendons , and in the surrounding tissues .
Gout is a disorder of purine metabolism , and occurs when its final metabolite , uric acid , crystallizes in the form of monosodium urate . The blood deposits the crystals in joints , on tendons , and in the surrounding tissues .