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Feasibility of Using Micro Silica Bead Tlds for In-Vivo Dosimetry of Ct-Based Hdr Prostate Brachytherapy: An Experimental and Simulation Study Publisher Pubmed



Siavashpour Z1 ; Kiarad R2 ; Aghamiri MR2 ; Babaloui S3 ; Seiri M3, 4 ; Jaberi R5, 6
Authors

Source: Applied Radiation and Isotopes Published:2024


Abstract

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. © 2024 Elsevier Ltd
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