Dose calculation errors for volumetric modulated arc therapy plans of various complexity
Emmanouil Terzidis, Fredrik Nordström, Magnus Gustafsson, Anna Karlsson, Julia Götstedt, Anna Bäck · 2026
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Description
Emmanouil Terzidis and colleagues examine in 2026 how much dose calculations can drift for a modern form of radiation therapy. Arc therapy shapes beams through small, uneven openings, which makes dose math harder. Errors matter because healthy tissue near the target must stay within safe limits.
Twenty patient cases each carried three plans of rising complexity, giving 60 plans in all. Each plan was run through six calculation methods, and spread between methods was treated as a sign of error risk. Spread stayed smallest inside the target area. It grew outside the target, in low-dose zones, and in nearby organs, with prostate cases showing the largest gaps. Case choice mattered more than plan complexity.
Catalog record
| CREATOR | Emmanouil Terzidis, Fredrik Nordström, Magnus Gustafsson, Anna Karlsson, Julia Götstedt, Anna Bäck |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 30 KB |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |