Kidney Stone Formation Definition. They may be very small or large in size and exist in various shapes and colors. Also called renal calculus.
If the stone is large enough to block the tube ureter and stop the flow of urine from the kidney it must be removed by surgery or other methods. A stone concretion in the kidney. A kidney stone is formed when these bits of uric acid begin to cling to each other within the kidney slowly growing into a solid mass.
At the same time your urine may lack substances that prevent crystals from sticking together creating an ideal environment for kidney stones to form.
If the stone is large enough to block the tube ureter and stop the flow of urine from the kidney it must be removed by surgery or other methods. If a stone grows to more than 5 millimeters 0 2 in it can cause blockage of the ureter resulting in severe pain. Kidney stones can start small but can grow larger in size even filling the inner hollow structures of the kidney. About half of all patients with this type of stone also have deposits of uric acid elsewhere in their body commonly in the joint of the big toe.