- A Comparison between Portal Dosimetry and Mobius3D Results for Patient-Specific Quality Assurance in Radiotherapy
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Kim SY, Park J, Park JW, Yea JW, Oh SA
- KMID: 2524156
- Prog Med Phys.
- 2021 Dec;32(4):107-115.
- doi: 10.14316/pmp.2021.32.4.107
Purpose: The purpose of this study was to compare the clinical quality assurance results of portal dosimetry using an electronic portal imaging device, a method that is extensively used for... -
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- Measurements of Neutron Activation and Dose Rate Induced by High-Energy Medical Linear Accelerator
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Kwon NH, Jang YJ, Kim J, Kim KB, Yoo J, Ahn SH, Kim DW, Choi SH
- KMID: 2524161
- Prog Med Phys.
- 2021 Dec;32(4):145-152.
- doi: 10.14316/pmp.2021.32.4.145
Purpose: During the treatments of cancer patients with a linear accelerator (LINAC) using photon beams with energies ≥8 MV, the components inside the LINAC head get activated through the interaction... -
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- Dosimetric Comparison between Varian Halcyon Analytical Anisotropic Algorithm and Acuros XB Algorithm for Planning of RapidArc Radiotherapy of Cervical Carcinoma
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Mbewe J, Shiba S
- KMID: 2524159
- Prog Med Phys.
- 2021 Dec;32(4):130-136.
- doi: 10.14316/pmp.2021.32.4.130
Purpose: The Halcyon radiotherapy platform at Groote Schuur Hospital was delivered with a factory-configured analytical anisotropic algorithm (AAA) beam model for dose calculation. In a recent system upgrade, the Acuros... -
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- Dosimetric Study Using Patient-Specific ThreeDimensional-Printed Head Phantom with Polymer Gel in Radiation Therapy
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Choi Y, Chun KJ, Kim ES, Jang YJ, Park JA, Kim KB, Kim GH, Choi SH
- KMID: 2524155
- Prog Med Phys.
- 2021 Dec;32(4):99-106.
- doi: 10.14316/pmp.2021.32.4.99
Purpose: In this study, we aimed to manufacture a patient-specific gel phantom combining threedimensional (3D) printing and polymer gel and evaluate the radiation dose and dose profile using gel dosimetry.... -
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- Status of Domestic and International Recommendations for Protection Design and Evaluation of Medical Linear Accelerator Facilities
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Choi SH, Shin DO, Shin Ji, Kwon NH, Ahn SH, Kim DW
- KMID: 2524153
- Prog Med Phys.
- 2021 Dec;32(4):83-91.
- doi: 10.14316/pmp.2021.32.4.83
Various types of high-precision radiotherapy, such as intensity-modulated radiation therapy (IMRT), tomotherapy (Tomo), and stereotactic body radiation therapy have been available since 1997. After being covered by insurance in 2015,... -
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- Development of a Beam Source Modeling Approach to Calculate Head Scatter Factors for a 6 MV Unflattened Photon Beam
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Park SY, Choi N, Jang NY
- KMID: 2524160
- Prog Med Phys.
- 2021 Dec;32(4):137-144.
- doi: 10.14316/pmp.2021.32.4.137
Purpose: This study aimed to investigate the accuracy of head scatter factor (S c ) by applying a developed multi-leaf collimator (MLC) scatter source model for an unflattened photon beam. Methods:... -
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- Design of Multipurpose Phantom for External Audit on Radiotherapy
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Lim S
- KMID: 2524158
- Prog Med Phys.
- 2021 Dec;32(4):122-129.
- doi: 10.14316/pmp.2021.32.4.122
Purpose: This study aimed to design a multipurpose dose verification phantom for external audits to secure safe and optimal radiation therapy. Methods: In this study, we used International Atomic Energy Agency... -
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- Evaluating the Effects of Dose Rate on Dynamic Intensity-Modulated Radiation Therapy Quality Assurance
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Kim KH, Back TS, Chung EJ, Suh TS, Sung W
- KMID: 2524157
- Prog Med Phys.
- 2021 Dec;32(4):116-121.
- doi: 10.14316/pmp.2021.32.4.116
Purpose: To investigate the effects of dose rate on intensity-modulated radiation therapy (IMRT) quality assurance (QA). Methods: We performed gamma tests using portal dose image prediction and log files of a... -
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- Characteristic Evaluation of Pressure Mapping System for Patient Position Monitoring in Radiation Therapy
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Kang S, Choi CH, Park JM, Chung JB, Eom KY, Kim Ji
- KMID: 2524162
- Prog Med Phys.
- 2021 Dec;32(4):153-158.
- doi: 10.14316/pmp.2021.32.4.153
Purpose: This study evaluated the features of a pressure mapping system for patient motion monitoring in radiation therapy. Methods: The pressure mapping system includes an MS 9802 force sensing resistor (FSR)... -
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- Assessing Commercial CLEANBOLUS Based on Silicone for Clinical Use
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Son J, Jung S, Park JM, Choi CH, Kim Ji
- KMID: 2524163
- Prog Med Phys.
- 2021 Dec;32(4):159-164.
- doi: 10.14316/pmp.2021.32.4.159
Purpose: We investigated the properties of CLEANBOLUS based on silicone with suitable characteristics for clinical use. Methods: We evaluated the characteristics of CLEANBOLUS and compared the results with the commercial product... -
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- Synthetic Computed Tomography Generation while Preserving Metallic Markers for Three-Dimensional Intracavitary Radiotherapy: Preliminary Study
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Jin H, Kang S, Kang HC, Choi CH
- KMID: 2524165
- Prog Med Phys.
- 2021 Dec;32(4):172-178.
- doi: 10.14316/pmp.2021.32.4.172
Purpose: This study aimed to develop a deep learning architecture combining two task models to generate synthetic computed tomography (sCT) images from low-tesla magnetic resonance (MR) images to improve metallic... -
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- Dosimetric Characteristics of Flexible Radiochromic Film Based on LiPCDA
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Jung S, Cho JD, Kim Ji, Park JM, Choi CH
- KMID: 2524166
- Prog Med Phys.
- 2021 Dec;32(4):179-184.
- doi: 10.14316/pmp.2021.32.4.179
This study aimed to determine the optimal thickness of the active layer and scan mode for a flexible radiochromic film (F-RCF) based on the active lithium salt of pentacosa-10,12-diynoic acid... -
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- Estimation of Noise Level and Edge Preservation for Computed Tomography Images: Comparisons in Iterative Reconstruction
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Kim S, Ahn C, Jeong WK, Kim JH, Chun M
- KMID: 2524154
- Prog Med Phys.
- 2021 Dec;32(4):92-98.
- doi: 10.14316/pmp.2021.32.4.92
Purpose: This study automatically discriminates homogeneous and structure edge regions on computed tomography (CT) images, and it evaluates the noise level and edge preservation ratio (EPR) according to the different... -
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- Effect of Total Collimation Width on Relative Electron Density, Effective Atomic Number, and Stopping Power Ratio Acquired by Dual-Layer Dual-Energy Computed Tomography
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Jung S, Kim B, Yoon E, Kim Ji, Park JM, Choi CH
- KMID: 2524164
- Prog Med Phys.
- 2021 Dec;32(4):165-171.
- doi: 10.14316/pmp.2021.32.4.165
Purpose: This study aimed to evaluate the effect of collimator width on effective atomic number (EAN), relative electron density (RED), and stopping power ratio (SPR) measured by dual-layer dual-energy computed... -
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