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Ion beam radiotherapy


During the heavy ion therapy project GSI, we contributed to the development of patient positioning, treatment planning and dosimetry, which were then employed for patient treatments from 1997 - 2008. During this time many physical, biological (Experimental radiobiology of ion beams) and clinical investigations have been performed. The developments in medical physics have been transferred to the Heidelberg Ion Beam Radiotherapy Center (HIT), which started clinical operation in 2009. The experience gained at GSI is also incorporated into scientific and educational courses on ion beam radiotherapy and as well as into radiation protection trainings.

Figure 1: a) Stack of ionization chambers for dose verification in ion beam radiotherapy. b) Dose distribution with indicated measurement positions. c) Rotatable solid-state phantom carrying 24 ionization chambers for dose verification in ion beam radiotherapy

Selected publications

  • Karger C.P., Schulz-Ertner D., Didinger B.H., Debus J., Jäkel O.: Influence of setup errors on spinal cord dose and treatment plan quality for cervical spine tumors: A phantom study for photon IMRT and heavy charged particle radiotherapy. Physics in Medicine and Biology 48, 3171-3189, 2003


  • Vedelago J., Karger C.P., Jäkel O.: A review on reference dosimetry in radiation therapy with proton and light ion beams: status and impact of new developments. Radiation Measurements 157, 106844, 2022

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