How does the Gamma Knife Radiation device work?
The device aims gamma radiation through a target point in the patient`s brain. The patient wears a specialized helmet that is surgically fixed to their skull so that the brain tumor remains stationary at target point of the gamma rays. An ablative dose of radiation is thereby sent through the tumor in one treatment session, while surrounding brain tissues are relatively spared. Illustration of Gamma Knife Radiosurgery Gamma knife radiosurgery is able to accurately focus many beams of high-intensity gamma radiation to converge on one or more tumors. Each individual beam is relatively low energy, so the radiation has little effect on intervening brain tissue and is concentrated only at the tumor itself. The effect of gamma-knife radiosurgery occurs only at the spot in the brain where all the beams meet.
