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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



ureteroscopy  listen  (YER-eh-ter-OS-koh-pee)

  Examination of the inside of the kidney and ureter, using a ureteroscope. A ureteroscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease. The ureteroscope is passed through the urethra into the bladder, ureter, and renal pelvis (part of the kidney that collects, holds, and drains urine).

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Ureteroscopy; drawing shows the lower pelvis containing the right and left kidneys, ureter, bladder, and urethra. The flexible tube of a ureterscope (a thin, tube-like instrument with a light and a lens for viewing) is shown passing through the urethra into the bladder and ureter. An inset shows a woman lying on an examination table with her knees bent and legs apart. She is covered by a drape. The doctor looks at a an image of the inside of the ureter on a computer monitor.