MedicalTerminology DB

Meaning of whole-brain radiation therapy: A type of external radiation therapy used to treat patients who have cancer in the brain.

Definition of whole-brain radiation therapy

A type of external radiation therapy used to treat patients who have cancer in the brain. It is often used to treat patients whose cancer has spread to the brain, or who have more than one tumor or tumors that cannot be removed by surgery. Radiation is given to the whole brain over a period of many weeks. Also called whole-brain radiation therapy and whole-brain radiotherapy.

Also known as

WBRT

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

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