A kidney stone is a solid mass made up of tiny crystals. One or more stones can be in the kidney or ureter at the same time. See also: Cystinuria
Kidney stones are solid masses of crystalized calcium or other substances that originate in the kidneys but can pass through the urinary...
A kidney, ureter, and bladder (KUB) study is an X-ray procedure that assesses the organs of the urinary system and gastrointestinal system.