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Quantitative Evaluation of Gated Radiation Therapy Using Gamma Index Analysis

Ma SY, Choi JH, Jeung TS, Lim S

Generally, to evaluate gated radiation therapy, moving phantoms are used to simulate organ motion. Since the target moves in every direction, we need to take into account motion in each...
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The Development of Real Time Automatic Patient Position Correction System during the Radiation Therapy Based on CCD: A Feasibility Study

Shin D, Chung K, Kim M, Son J, Yoon M, Lim YK, Lee SB

Upon radiation treatment, it is the important factor to monitor the patient's motion during radiation irradiated, since it can determine whether the treatment is successful. Thus, we have developed the...
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Development of Photoacoustic System for Breast Cancer Detection

Lee S, Ji YS, Lee R

Recently, the photoacoustic imaging system has been widely and intensively developed, and has been shown the possibility of diagnosis for early stage cancer. In this study, we developed a photoacoustic...
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Enhancement of the Early/Precise Diagnosis Based on the Measurement of SUVs in F-18 FDG PET/CT Whole-body Image

Park JK, Kim SK, Cho IH, Kong EJ, Park MH, Cho BY

Through this research, we measure the data for several SUVs such as SUVLBM, SUVBW, and SUVBSA using volume of interest in order to enhance the diagnostic level in whole-body image...
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Development of Phantom for Evaluate the Suitability of Ir-192 HDR Source with Brachytherapy Tools

Shin KC, Choi SG, Kim KH, Son KJ, Jeong DH, Kim JK

Applicator of various kind of number ten kinds is used to raise from efficiency of brachytherapy to maximum. The compatibility of radiation source and applicator is very important subject for...
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A Low-Dose High-Resolution SPECT System with CdTe for Small-Animal Imaging Applications: A GATE Simulation Study

Park SJ, Yu AR, Kim Y, Lee YJ, Kim HJ

Dedicated single-photon emission computed tomography (SPECT) systems based on pixelated semiconductors are being developed for studying small animal models of human disease. To clarify the possibility of using a SPECT...
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Comparison of Intensity-modulated Radiation Therapy (IMRT), Uniform Scanning Proton Therapy (USPT), and Intensity-modulated Proton Therapy (IMPT) for Prostate Cancer: A Treatment Planning Study

Son K, Cho S, Kim JS, Han Y, Ju SG, Ahn SH, Shin E, Shin JS, Park W, Pyo H, Choi DH

This study assessed compared photon and proton treatment techniques, such as intensity modulated radiation therapy (IMRT), uniform scanning proton therapy (USPT), and intensity modulated proton therapy (IMPT), for a total...
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Comparison of IMRT and VMAT Techniques in Spine Stereotactic Radiosurgery with International Spine Radiosurgery Consortium Consensus Guidelines

Oh SA, Kang MK, Kim SK, Yea JW

Stereotactic body radiation therapy (SBRT) is increasingly used to treat spinal metastases. To achieve the highest steep dose gradients and conformal dose distributions of target tumors, intensity-modulated radiation therapy (IMRT)...
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Reference Dosimetry and Calibration of Glass Dosimeters for Cs-137 Gamma-rays

Moon YM, Rhee DJ, Kim JK, Kang YR, Lee MW, Lim H, Jeong DH

In this research, the glass dosimeter was calibrated to measure the standard absorbed dose of the Cs-137 irradiator and absorbed dose in a biological sample. Absorbed dose in water for...
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The Effect of Breathing Biofeedback on Breathing Reproducibility and Patient's Dose in Respiration-gated Radiotherapy

An S, Yeo I, Jung J, Suh H, Lee KJ, Choi J, Lee KC, Lee R

We evaluated the effect of two kinds of breathing biofeedback technique such as audio-instruction and audio-visual biofeedback on breathing reproducibility and the CTV coverage during repeated treatment regimes in respiration-gated...
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