NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,380 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- stereotactic radiosurgery
- listen (STAYR-ee-oh-TAK-tik RAY-dee-oh-SER-juh-ree)
- A type of external radiation therapy that uses special equipment to position the patient and precisely give a single large dose of radiation to a tumor. It is used to treat brain tumors and other brain disorders that cannot be treated by regular surgery. It is also being studied in the treatment of other types of cancer. Also called radiation surgery, radiosurgery, and stereotaxic radiosurgery.