- Methodologic Aspect of LINAC-based Stereotactic Radiosurgery
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Choi TJ
- KMID: 1436498
- Prog Med Phys.
- 2012 Sep;23(3):127-137.
A conversing beam is firstly designed for radiosurgery by a neurosugern Lars Leksell in 1949 with orthogonal x-rays tube moving through horizontal moving arc to focusing the beam at target... -
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- Preliminary Investigations of the Dosimetric Properties of a Normoxic Polymethacrylic Acid Gel Dosimeter Using a Respiration-Motion Simulator
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Park CH, Cho YR, Cho KH, Park JA, Kim KM, Kim KB, Jung HJ, Ji YH, Kwon SI
- KMID: 1436499
- Prog Med Phys.
- 2012 Sep;23(3):138-144.
Dose distribution throughout the clinical organ range of motion was analyzed using a respiratory-motion simulator that was equipped with a polymer gel dosimeter and EBT2 film. The normoxic polymer gel... -
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- An Analysis of Intra-Fractional Movement during Image-Guided Frameless Radiosurgery for Brain Tumor Using CyberKnife
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Kang KM, Chai GY, Jeong BG, Ha IB, Park KB, Jung JM, Lim YK, Jeong H
- KMID: 1436507
- Prog Med Phys.
- 2012 Sep;23(3):169-176.
Frameless method in brain radiosurgery has advantages relative to rigid head-frame method in terms of patient friendly and flexible application of multi-fractionation. However, it has also disadvantages and the most... -
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- Study on Optimization of Detection System of Prompt Gamma Distribution for Proton Dose Verification
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Lee HR, Min CH, Park JH, Kim SH, Kim CH
- KMID: 1436505
- Prog Med Phys.
- 2012 Sep;23(3):162-168.
In proton therapy, in vivo dose verification is one of the most important parts to fully utilize characteristics of proton dose distribution concentrating high dose with steep gradient and guarantee... -
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- Development and Feasibility Study for Phase Contrast MR Angiography at Low Tesla Open-MRI System
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Lee DH, Hong CP, Lee MW, Han BS
- KMID: 1436508
- Prog Med Phys.
- 2012 Sep;23(3):177-187.
Magnetic resonance angiography (MRA) techniques are widely used in diagnosis of vascular disorders such as hemadostenosis and aneurism. Especially, phase contrast (PC) MRA technique, which is a typical non contrast-enhanced... -
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- Development of a Korean Adult Female Voxel Phantom, VKH-Woman, Based on Serially Sectioned Color Slice Images
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Jeong JH, Yeom YS, Han MC, Kim CH, Ham BK, Hwang SB, Kim SH, Lee DM
- KMID: 1436512
- Prog Med Phys.
- 2012 Sep;23(3):199-208.
The computational human phantom including major radiation sensitive organs at risk (OARs) can be used in the field of radiotherapy, such as the variation of secondary cancer risks caused by... -
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- Evaluation of Beam Modeling Using Collapsed Cone Convolution Algorithm for Dose Calculation in Radiation Treatment Planning System
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Jung JY, Cho W, Kim MJ, Lee JW, Suh TS
- KMID: 1436510
- Prog Med Phys.
- 2012 Sep;23(3):188-198.
This study aims to evaluate the accuracy of the collapsed cone convolution (CCC) algorithm for dose calculation in a treatment planning system (TPS), CorePLAN(TM). We implemented beam models for various... -
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- A Theoretical Model for the Analysis of Residual Motion Artifacts in 4D CT Scans
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Kim TH, Yoon JW, Kang SH, Suh TS
- KMID: 1436501
- Prog Med Phys.
- 2012 Sep;23(3):145-153.
In this study, we quantify the residual motion artifact in 4D-CT scan using the dynamic lung phantom which could simulate respiratory target motion and suggest a simple one-dimension theoretical model... -
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- Evaluation of Image Quality by Using a Tungsten Edge Block in a Megavoltage (MV) X-ray Imaging
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Min JW, Son JH, Kim KW, Lee JW, Son SY, Back GM, Kim JM, Kim YR, Jung JY, Kim SY, Lee DW, Choe BY
- KMID: 1436503
- Prog Med Phys.
- 2012 Sep;23(3):154-161.
Digital Radiography (DR) has rapidly developed in megavoltage X-ray imaging (MVI). Thus, a very simple and general quality assurance (QA) method is required. The purpose of this study was to... -
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