Acute renal failure after exercise in a Japanese sumo wrestler with renal hypouricemia.

Familial renal hypouricemia is a hereditary disease characterized by extraordinary high renal uric acid clearance and is associated with acute renal failure (ARF). An 18-year-old sumo wrestler developed ARF after anaerobic exercise. Several hours after the exercise, he had a pain in the loins with oliguria, headache, and nausea.