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Electrons (4-18 MeV) |
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Electron Beam Radiation Therapy Electrons therapy is a form of external beam radiation therapy where electrons
are directed at the tumor. Electrons dont penetrate as well as x-rays,
which are normally used for external beam radiation therapy. That makes them
well suited for treating tumors close to the skin surface. They are
particularly useful for treatment skin tumors over the abdomen, so that excess
radiation dose not reach the intestinal track, and for tumors over the thorax,
so that the dose of radiation to the lungs can be limited. Electrons are
also useful for tumors near the eye. A special ceramic covered tungsten contact
lens block can be placed over the eye to greatly diminish dose, while the prescribe
dose can be delivered to the area surrounding the eye. |
![]() This dog has a tumor over the chest wall. He is being treated with electrons to minimize the radiation dose to underlying normal tissue structures. |
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![]() This cat has undergone Electron Therapy. Note the hair color change on her right side. |
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