Our son had some of the symptoms of appendicitis. His lower right side was aching, and he was throwing up. At the emergency room, it turned out that he was passing a kidney stone.

A ureteral stent is a flexible plastic tube for insertion into the ureter to treat or prevent blockages that impede urine flow from the kidney to the bladder, such as kidney stones. Once the ...

Renal colic is mainly experienced when a ureter is obstructed. As a kidney stone passes into this narrow tube, it can become stuck, triggering powerful spasms lasting 15 to 45 minutes. Once the ...

For kidney stones that have lodged in the ureters, a ureteroscope may be used. No incision is made in this procedure. Instead, the surgeon passes a small fiberoptic instrument through the urethra and ...

Margaret Thatcher, the resolute British Prime Minister known as the “Iron Lady” famously said, “You may have to fight a battle more than once to win it.” But for the ...

The ureter has no flex, and the rough exterior and irregular size of a kidney stone can slow its passage. Stones also can become stuck. This blocks the flow of urine and forces it back into the ...