Ion beam therapy is a form of radiation therapy used to treat cancer. Protons or carbon ions are used – both are charged, massive particles.
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About ion beam therapy
Protons are obtained from hydrogen gas H2, carbon ions from carbon dioxide CO2. The physical properties of protons and carbon ions are similar, but carbon ions have a much higher, so-called “biological effectiveness”.
Compared to conventional radiotherapy with photons, particle therapy is able to reduce the radiation exposure of the adjacent healthy tissue and almost completely spare the tissue behind the tumour. Therefore, particle therapy is an ideal treatment for localized tumours in the vicinity of radiosensitive organs. Since strongly growing tissue reacts more sensitively to radiation, proton therapy is particularly suitable for cancer in children and adolescents.