Purpose: Feasibility of silica-based dosimeters for IVD of HDR prostate brachytherapy.
Material And Methods: Plastic dosimeter holders and a water-fillable prostate phantom were built in-house. Interstitial prostate brachytherapy and Monte Carlo simulations were performed. The treatment planning, Monte-Carlo simulation, and dosimetry results were compared.
Results: The relative differences between TLD-TPS, TLD-MCNP, and TPS-MCNP were 0.2-6.9 %, 0.5-6.5 %, and 0.6-6.3 %, respectively.
Conclusion: Micro-silica bead dosimeters can perform offline in situ quality assurance in HDR prostate brachytherapy.
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http://dx.doi.org/10.1016/j.apradiso.2024.111429 | DOI Listing |
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