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Radiation, Volume 5, Issue 3 (September 2025) – 1 article

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13 pages, 591 KiB  
Brief Report
Deployment of an In Vivo Dosimetry Program with P-Type Diodes for Radiotherapy Treatments
by Miguel Felizardo and Elisabete Dias
Radiation 2025, 5(3), 22; https://doi.org/10.3390/radiation5030022 - 14 Jul 2025
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Abstract
Background: We present the implementation of an in vivo dosimetry program that enhances treatment setups, ensuring high accuracy that is needed globally. This approach proves valuable in smaller departments by helping to detect and prevent errors. Evaluation studies have shown that in vivo [...] Read more.
Background: We present the implementation of an in vivo dosimetry program that enhances treatment setups, ensuring high accuracy that is needed globally. This approach proves valuable in smaller departments by helping to detect and prevent errors. Evaluation studies have shown that in vivo dosimetry is a reliable method for assessing the overall accuracy of treatment delivery. Methods: Comprehensive development and validation of an in vivo dosimetry program using silicon diodes, ionization chambers, and calibrated electrometers for accurate radiation in dose measurements for treatments involving Co-60 or 6 MV X-ray beams. Results: The outcomes demonstrated that all diodes were dependable, with deviations of less than 1% (0.89 ± 0.10 cGy). Calibration curves were generated, showing dose variations of only 0.13% in the diode readings. The overall analysis revealed a mean deviation of up to 1%. Conclusions: These results provide a thorough assessment for patients’ treatment and facilitate timely interventions when needed, helping to ensure that dose variations stay within acceptable limits. Full article
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