external-beam radiation therapy

(...RAY-dee-AY-shun THAYR-uh-pee) Speaker

A type of radiation therapy that uses a machine to aim high-energy rays at the cancer from outside of the body. Also called external radiation therapy.

More Information

External-beam radiation therapy of the brain

Figure

External-beam radiation therapy of the brain. A machine is used to aim high-energy radiation. The machine can rotate around the patient, delivering radiation from many different angles. A mesh mask helps keep the patient’s head from moving during (more...)

External-beam radiation therapy of the head and neck

Figure

External-beam radiation therapy of the head and neck. A machine is used to aim high-energy radiation at the cancer. The machine can rotate around the patient, delivering radiation from many different angles to provide highly conformal treatment. A mesh (more...)