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Is there a role for arcing techniques in proton therapy?
Alejandro Carabe-Fernandez1, Alejandro Bertolet-Reina1, Ilias Karagounis1
1Department of Radiation Oncology, University of Pennsylvania, Philadelphia, USA.
The British Journal of Radiology
|December 21, 2019
Summary
Proton arc therapy (PAT) may not offer superior physical dose distributions compared to intensity modulated proton therapy. However, radiobiological factors in PAT could potentially improve the therapeutic index for cancer treatment.
Area of Science:
- Radiation Oncology
- Medical Physics
Background:
- Proton arc therapy (PAT) is an emerging technique in proton therapy.
- Evaluating PAT's potential benefits over existing methods is crucial.
Purpose of the Study:
- To compare proton arc therapy (PAT) with intensity modulated proton therapy (IMPT).
- To assess dosimetric and cancer risk evaluations for both techniques.
Main Methods:
- Review of existing studies on dosimetric and cancer risk evaluations.
- Comparative analysis of physical dose distributions.
- Consideration of radiobiological factors.
Main Results:
- PAT may not yield superior physical dose distributions compared to IMPT.
- Specific PAT techniques show potential radiobiological advantages.
Conclusions:
- While physical dose distribution may be comparable, PAT's radiobiological aspects could enhance the therapeutic index.
- Further investigation into PAT's radiobiological benefits is warranted.
