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April 12, 2026Journal of Applied Clinical Medical Physics0 citationsOpen Access

Assessment of LD‐V1 radiochromic film low‐dose performance for mega‐voltage radiotherapy quality assurance

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RERuiming C. EdmondsonDGD. GarciaVMVictor Malkov

Key Points

  • This research evaluates the performance of LD-V1 radiochromic film for low-dose measurements in mega-voltage radiotherapy quality assurance.
  • Comparison of LD-V1 film with EBT4 for low-dose measurements.
  • Assessment of low-dose sensitivity under various conditions.
  • Evaluation of energy and scanning-orientation effects.
  • LD-V1 exhibits superior low-dose sensitivity compared to EBT4.
  • Significant variations in performance based on energy levels and scanning orientation are observed.
  • Consistent calibration and handling are critical for optimal accuracy.

Abstract

LD-V1 demonstrates suitability for low-dose MV measurements and exhibits improved low-dose sensitivity relative to EBT4, indicating its potential value for MLC QA in highly dynamic treatment deliveries. Nonetheless, its pronounced energy and scanning-orientation dependence underscores the need for rigorous and consistent calibration and handling procedures.

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Cite This Study

Edmondson et al. (2026) studied this question.

synapsesocial.com/papers/69db37404fe01fead37c5465https://doi.org/10.1002/acm2.70578
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