With proton therapy, the depth of radiation penetration into the body can be controlled, theoretically allowing protons to stop traveling when they reach the end of the tumor, thus reducing the radiation dose beyond the tumor. However, several technical factors limit the ability to precisely predict the exact stopping point of the particles.

The photons that Gamma Knife treatment utilizes, however, deposit their radiation dose in a much more predictable manner and are able to precisely target tumors in very sensitive locations with unparalleled accuracy and precise control of a concentrated radiation dose to single or multiple tumors. Read the full post to learn more about these treatments.

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