PATHOLOGY

Detailed explanation-1: -Kidney stones form when your urine contains more crystal-forming substances-such as calcium, oxalate and uric acid-than the fluid in your urine can dilute. At the same time, your urine may lack substances that prevent crystals from sticking together, creating an ideal environment for kidney stones to form.

Detailed explanation-2: -Kidney stones come in a variety of mineral types: Calcium stones: Most kidney stones are composed of calcium and oxalate. Many people who form calcium containing stones have too much calcium in their urine, a condition known as hypercalciuria There are several reasons why hypercalciuria may occur.