Dosimetric impact of spot size variations in proton pencil beam scanning — a Monte Carlo simulation study
The decreasing and increasing spot size had different effects in terms of disturbing the target dose. The dosimetric impact of spot size variations was strongly correlated with target depth. Higher-energy beams showed less sensitivity to the perturbation. Thus, a higher spot size tolerance could be expected.
Authors
- Jiayi Guo (ORCID: https://orcid.org/0000-0002-2272-0450)
- Yinxiangzi Sheng (ORCID: https://orcid.org/0000-0002-3552-9786)
- Jingyi Cheng (ORCID: https://orcid.org/0000-0001-8974-4791)
- Fuquan Zhang (ORCID: https://orcid.org/0000-0002-1379-1919)
- Rong Zhou (ORCID: https://orcid.org/0000-0002-8469-1464)
Institutions
- Sichuan University (CN)
- Fudan University Shanghai Cancer Center (CN)
Publication Details
- Journal
- Medical Engineering & Physics
- Published
- 2025-04-23
- DOI
- https://doi.org/10.1016/j.medengphy.2025.104346
- Primary Topic
- Radiation Therapy and Dosimetry
- Type
- article
- Field-Weighted Citation Impact
- 0.00