stones in kidneys Kidney stones often occur because of a metabolic disorder or from too much calcium in the blood
an accumulation of minerals (e g , calcium) in the kidney, which may lead to blockage and pain
hard sediment that builds up in the kidneys, material that has settled into the kidneys
A small hard mass in the kidney that forms from deposits chiefly of phosphates and urates. or renal calculus Mass of minerals and organic matter that may form in a kidney. Urine contains many salts in solution, and low fluid volume or high mineral concentration can cause these salts to precipitate and grow, forming stones. Large stones can block urine flow, be a focus for infection, or cause renal colic (painful spasms). They can obstruct the urinary system at various points. Treatment deals with any underlying problem (e.g., infection or obstruction), tries to dissolve stones with drugs or ultrasound (lithotripsy), or removes large ones surgically
A kidney stone is a hard pebble-like mass commonly composed of calcium oxalate that forms within the kidney Some kidney stones cause pain and must be removed from the body using surgery or ultrasound techniques
a solid piece of material that forms from crystallization of excreted substances in the urine
An accumulation of mineral salts and other substances that form a solid mass of various sizes within the kidney