Glossary

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Radiation Oncologists

A doctor who specializes in using radiation to treat cancer.

Radiation Therapy

Radiation therapy (also called radiotherapy)uses high-energy radiation from x-rays, neutrons, and other sources to kill cancer cells and shrink tumors. It may come from a machine outside the body (external beam) or from materials that produce radiation that are placed in or near the tumor in the area where the cancer cells are found.

Radionuclide brain scintigraphy

Views capillaries feeding the tumor after highlighting them with a radioactive substance.