An examination of the inside of the kidney and ureter. A thin, lighted tube (called a ureteroscope) is passed through the urethra into the bladder, ureter, and renal pelvis (part of the kidney that collects, holds, and drains urine).
A procedure using a ureterscope. A ureterscope is passed through the urethra and up into the ureter or kidney. It is sometimes used to visualize and remove stones with a cage-like device called a basket (see Stone basket) or the stones can be broken up with lasers into multiple small pieces that can easily pass out the urinary tract.
Ureteroscopy is an examination of the upper urinary tract, usually performed with an endoscope that is passed through the urethra, bladder, and then directly into the ureter. The procedure is useful in the diagnosis and the treatment of disorders such as kidney stones.