NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,800 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.
- listen (THY-oh-TEH-puh)
- A drug used to treat certain types of bladder cancer, breast cancer, and ovarian cancer. It is also used to treat malignant effusion (a condition in which cancer causes an abnormal amount of fluid to collect in hollow spaces or between tissues of the body). It is also being studied in the treatment of other types of cancer. Thiotepa damages the cell’s DNA and may kill cancer cells. It is a type of alkylating agent.