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Development of Novalis Quality Assurance Protocol for Radiosurgery  

Lee, Dong-Joon (Department of Neurosurgery, College of Medicine, Inje University)
Lee, Kyung-Nam (Department of Biomedical Engineering, The Catholic University of Korea College of Medicine)
Lee, Suk (Department of Radiation Oncology, College of Medicine, Korea University)
Lee, Sang-Hoon (Department of Radiation Oncology, College of Medicine, Kwandong University)
Kim, Dae-Hong (Department of Radiological Science, College of Health Science, Yonsei University)
Publication Information
Progress in Medical Physics / v.21, no.1, 2010 , pp. 99-112 More about this Journal
Abstract
In Republic of Korea, there are many Quality Assurance protocol for general radiation treatment machine such as linac. However, Quality Assurance protocol for radiosurgery treatment system is not ready perfectly. One of the radiation treatment machine for radiosurgery, novalis system needs to suitable Quality Assurance protocol for using it right way during radiation treatment and maintaining suitable accuracy for daily, weekly, monthly and annually periods. Therefore, in this article, we develop Quality Assurance protocol for novalis system. We collected and analysed domestic and foreign novalis Quality Assurance protocol. After that, we selected essential QA items and each tolerance range for developing proper QA protocol, and we made anatomical phantom for execution of selected QA items and evaluation of overall state of QA, and then, we use this measured value as a reference. Quality Assurance items are consisted of Mechanical accuracy QA part and Radiation delivery QA part. Mechanical accuracy QA part is comprised of radiation generation machine part, assistive devices part and multi-leaf collimator part. Radiation delivery QA part is divided into radiation isocenter accuracy and dosimetric evaluation. After that, developed novalis QA tables are made by using these QA items. These novalis QA tables would be used to good standard in order to maintain apt accuracy for radiosurgery in daily, weekly, monthly and annually periods.
Keywords
Radiosurgery; Novalis; Quality Assurance protocol;
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Times Cited By KSCI : 2  (Citation Analysis)
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