A kidney stone, also known as a renal calculus is a solid concretion or crystal aggregation formed in the kidneys from dietary minerals in the urine. Almost 10% of the population suffer from kidney stone once in their lifetime. This disease in not age restricted. However males are more prone to this disease than women & that too in age of 20-40. Symptoms include retention of urine, severe pain in ureter & in corresponding pathway of stone.
