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Development of an Innovative Daily QA System for Pencil-Beam Scanning Proton Therapy

In this work, we have developed a robust daily quality assurance (QA) system for pencil-beam scanning (PBS) dosimetry. A novel phantom and multi-PTV PBS plan were used in conjunction with the Sun Nuclear Daily QA3 multichamber detector array to verify output, range, and spot position. The sensitivity to detect change in these parameters with our designed tests was determined empirically. Associated tolerance levels were established based on these sensitivities and guidelines published in recent American Association of Physics in Medicine (AAPM) task group reports. The output has remained within the 3% tolerance and the range was within ±1mm. Spot position has remained within ±2mm. This daily QA procedure is quick and efficient with the time required for setup and delivery at less than 10 minutes. / Includes bibliography. / Thesis (M.S.)--Florida Atlantic University, 2020. / FAU Electronic Theses and Dissertations Collection
ContributorsKassel, Maxwell (author), Shang, Charles (Thesis advisor), Muhammad, Wazir (Thesis advisor), Florida Atlantic University (Degree grantor), Department of Physics, Charles E. Schmidt College of Science
PublisherFlorida Atlantic University
Source SetsFlorida Atlantic University
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation, Text
Format71 p., application/pdf
RightsCopyright © is held by the author with permission granted to Florida Atlantic University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder.,

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