Questions About Cancer? 1-800-4-CANCER
  • Print
  • Facebook
  • Twitter
  • Google+
  • Pinterest

NCI Dictionary of Cancer Terms

proctoscope  listen  (PROK-toh-skope)

  A thin, tube-like instrument used to look inside the anus and rectum. A proctoscope has 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.