Why you have Urate stones

10% ~ 25% gout patients have kidney stone, which is about 200 times higher than normal people. Uric acid eduction 1000 mg a day about 20% have stone, such as discharge 1100 mg nearly half of the stones. Urate stones and high uric acid hematic disease, blood uric acid 1, 37 mu mol/L, 50% had kidney stones. There are some diseases are associated with high blood uric acid and urine uric acid eduction too much, but because of the less amount of urine, urine acid high uric acid calculi can still occur. Such as make the ileum colostomy diarrhea, prostate disease in elderly patients, because of dysuria and less water, less urine output, low pH, uric acid calculi can also occur.
Urate stones mainly have the symptoms of urinary tract local irritation, urine flow obstruction and secondary infection. These symptoms because of the size, shape, site of the stones and presence of infection. Urate stones more assumes the circular or oval, surface smooth or slightly rough, yellowish-brown, quality of a material is solid. With renal colic suggests obstruction. A few patients with bilateral renal colic (i.e., kidney - kidney reflex), hematuria, platoon stone after activity. Performance with dysuria, urinary flow interruption and sudden anuresis (stone in urinary closed). Small stones from the eduction in urine. About 80% patients with gout calculi not uric acid salt. Pure uric acid calculi is pervious to light, usually can't development. But more than 2 cm diameter for calcium oxalate and calcium phosphate mixed stones, generally can be developed. Upper tract huge can make the pelvic calyces deformation.