Yi-Seong Lee
Department of Radiation Oncology, Catholic Kwandong University International St. Mary's Hospital, Incheon, South KoreaPublications
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Research Article
A Comparative Analysis for DQA of VMAT Treatment Plans using ArcCHECKTM Diode Array and EPID Portal Dosimetry
Author(s): Sang-Wook Lee, Yi-Seong Lee and Jeong-Koo Kim*
Background: As Volumetric Modulated Arc Therapy (VMAT) treatment plans become more complex and highly modulated, robust and precise dosimetric quality assurance (DQA) is essential to ensure accurate and safe radiation dose delivery. Objective: This study aimed to evaluate the effectiveness of DQA for VMAT plans delivered with the Halcyon™ linear accelerator, by comparing the performance of the ArcCHECK™ diode array and EPID-based portal dosimetry. Methods: DQA was conducted for six patients with tumors at various anatomical sites. Gamma passing rates were evaluated using both 3%/3 mm and 2%/2 mm gamma criteria, with ArcCHECK™ and EPID portal dosimetry on the Halcyon™ system. Results: The ArcCHECK™ system yielded average gamma passing rates of 99.50 ± 0.414% (3%/3 mm) and 98.50 ± 0.485% (2%/2 mm). EPID portal dosimetry produced comparable res.. Read More»
Editors List
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RAOUi Yasser
Senior Medical Physicist
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Ahmed Hussien Alshewered
University of Basrah College of Medicine, Iraq
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Sudhakar Tummala
Department of Electronics and Communication Engineering SRM University – AP, Andhra Pradesh
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Alphonse Laya
Supervisor of Biochemistry Lab and PhD. students of Faculty of Science, Department of Chemistry and Department of Chemis
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Fava Maria Giovanna
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