National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
stereotactic external-beam radiation therapy (STAYR-ee-oh-TAK-tik ... RAY-dee-AY-shun THAYR-uh-pee)

 A type of external radiation therapy that uses special equipment to position the patient and precisely deliver radiation to a tumor. The total dose of radiation is divided into several smaller doses given over several days. Stereotactic external-beam radiation therapy is used to treat brain tumors and other brain disorders. It is also being studied in the treatment of other types of cancer, such as lung cancer. Also called stereotactic radiation therapy and stereotaxic radiation therapy.

Previous Definitions:stem cell transplantation, Stemgen, stent, stereotactic biopsy, stereotactic body radiation therapy
Next Definitions:stereotactic injection, stereotactic radiation therapy, stereotactic radiosurgery, stereotaxic radiation therapy, stereotaxic radiosurgery