NCI Dictionary of Cancer Terms

  • Resize font
  • Print
  • Email
  • Facebook
  • Twitter
  • Google+
  • Pinterest

The NCI Dictionary of Cancer Terms features 7,863 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

multiple hamartoma syndrome
(MUL-tih-pul HA-mar-TOH-muh SIN-drome)
An inherited disorder marked by the formation of many noncancerous growths called hamartomas. These growths occur in the skin, breast, thyroid, colon, intestines, and inside of the mouth. Patients with multiple hamartoma syndrome are at increased risk of certain types of cancer, including breast and thyroid. Also called Cowden disease and Cowden syndrome.