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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



cystoscope  listen  (SIS-toh-SKOPE)

  A thin, tube-like instrument used to look inside the bladder and urethra. A cystoscope has a light and a lens for viewing and may have a tool to remove tissue.

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Cystoscopy; drawing shows a side view of the lower pelvis containing the bladder, uterus, and rectum. Also shown are the vagina and anus. The flexible tube of a cystoscope (a thin, tube-like instrument with a light and a lens for viewing) is shown passing through the urethra and into the bladder. Fluid is used to fill the bladder. 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 an image of the inner wall of the bladder on a computer monitor.