March 3, 2026Japanese Journal of Radiological Technology0 citationsOpen Access

Feasibility of Effective Source-to-surface Distance Calculation Using an Electron Monte Carlo Algorithm for Electron Beams

SOShoma OkadaMorinomiya University of Medical Sciences RGReina GotoMorinomiya University of Medical Sciences HNHonomi NishinoMorinomiya University of Medical Sciences

Key Points

Effective source-to-surface distance calculation shows strong agreement with measured values, indicating reliability.
Absorbed dose ratio at the depth of maximum dose aligns closely with Monte Carlo algorithm predictions.
The study employs an observational analysis comparing eMC calculations against experimental measurements in radiotherapy settings.
Findings support the potential for improved verification methods in electron beam therapies, enhancing treatment accuracy.

Abstract

The good agreement in absorbed dose ratio at dmax, effective SSD, and distance correction factor between eMC calculations and measurements indicates that effective SSD calculation using eMC is feasible and can be employed for comparative verification against measured values.

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