Chuah, Kai Wei (2025) Evaluation Of The Accuracy Of 2d Detector Array System For Patient-Specific Quality Assurance (Psqa) In Advanced Radiotherapy. Masters thesis, Universiti Sains Malaysia.
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Abstract
Advanced radiotherapy techniques, such as volumetric-modulated radiotherapy (VMAT), deliver a highly conformal dose to the tumour target while minimising the dose to organs at risk (OAR). Patient-specific quality assurance (PSQA) plays a critical role in verifying the accuracy of the treatment plan delivery. However, the complexity of highly conformal plans can result in lower gamma passing rates and higher dosimetric error, particularly for smaller volume of OAR. This study evaluated the accuracy of the 2-dimensional (2D) detector array, PTW Octavius 1500 in PSQA for advanced radiotherapy by comparing its results with the absolute dose measurements and log data.
| Item Type: | Thesis (Masters) |
|---|---|
| Subjects: | R Medicine > R Medicine (General) > R5-920 Medicine (General) |
| Divisions: | Institut Perubatan & Pergigian Termaju (Advanced Medical & Dental Institute (AMDI)) > Thesis |
| Depositing User: | Mr Aizat Asmawi Abdul Rahim |
| Date Deposited: | 12 Jun 2026 08:22 |
| Last Modified: | 12 Jun 2026 08:22 |
| URI: | http://eprints.usm.my/id/eprint/64362 |
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