- Characteristics of 10 MV X-ray Beam from a Mevatron KD Linear Accelerator
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Yi BY, Lee MZ
- KMID: 1657617
- J Korean Soc Ther Radiol.
- 1988 Jun;6(1):101-108.
The beam characteristics and dosimetric measurements of the 10 MV X-ray beam from a Mevatron KD linear accelerator are examined. The Percent Depth Dose (PDD) table and the Tissue Maximum... -
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- Modified Five Field Technique for Primary and Postop Breast Cancer Irradiation
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Choi E, Chang H, Yi BY
- KMID: 2197111
- J Korean Soc Ther Radiol.
- 1991 Jun;9(1):165-170.
In breast cancer, the treatment volume presents a relatively complex three dimensional structure. Effective radiation therapy requires the delivery of adequate dose to a large target volume using complex beam... -
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- Options in Intracoronary Radiation Therapy
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Moon DH, Oh SJ, Lee HK, Yi BY, Kim EH, Park SW
- KMID: 1926604
- Korean J Nucl Med.
- 1999 Apr;33(2):209-221.
Coronary restenosis is still regarded as Achilles' Hill of interventional cardiology despite relentless efforts of many investigators. Recent experimental and clinical studies have suggested that both gamma and beta radiation... -
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- Practical Considerations in Preparing an Institutional Procedure of Image Guided Radiation Therapy
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Yi BY
- KMID: 1910560
- Prog Med Phys.
- 2013 Dec;24(4):205-212.
- doi: 10.14316/pmp.2013.24.4.205
Recent developments of image guided radiation therapy (IGRT), especially the On Board Imaging (OBI) system and the cone beam CT (CBCT), enable the radiation treatment more accurate and reliable. IGRT... -
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- The Comparison of the KAPM Dosimetric Protocol (1990) with the TG-21 and Clambda/C(E) Method
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Yi BY, Choi EK, Chang H
- KMID: 2323538
- J Korean Soc Ther Radiol.
- 1991 Dec;9(2):337-342.
The Comparison of the KAPM Dosimetric Protocol (1990) with the TG-21 and Clambda/C(E) (ICRU-21 and SCRAD protocol) method is studied. The therapetutic range of radiation (photon 4MV-15MV and electron 6MeV-20MeV)and... -
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- Remote After Loading HDR Brachytherapy for female Urethral Cancer
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Cho JG, Choi EK, Chang H, Yi BY, Kim KH, Lee JG
- KMID: 2323535
- J Korean Soc Ther Radiol.
- 1991 Dec;9(2):319-324.
In our institution, a 76-year-old woman with primary urethral carcinoma was treated with remote afterloading high dose rate (HDR) interstitial brachytherapy using micro selectron Ir-192. In this paper, authors described... -
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- Determination of the Phantom Scatter Factor (Sp Factor) using a small Block in the Phantom
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Yi BY, Hong SM, Kim JS, Choi EK, Chang H, Lee MZ, Chun HC
- KMID: 2097352
- J Korean Soc Ther Radiol.
- 1992 Jun;10(1):121-123.
New measurement method for Sp factors (Phantom Scatter Factors) is presented. The theoretical development of the approach is disscused showing that Sp factors can be obtained from three measurements of... -
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- Physical Aspect of The Gamma Knife and Its Clinical Application
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Yi BY, Chang H, Choi E, Whang CJ, Kwon Y
- KMID: 2197109
- J Korean Soc Ther Radiol.
- 1991 Jun;9(1):153-158.
The first Leksell Gamma Knife unit(LGU-type B) for radiosurgery in Asia was installed in Asan Medical Center. Mechanical accuracy, output, dose profiles for each collimators were measure during acceptance test.... -
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- The Broad-beam CT Image Reconstruction from Simulator Images
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Yi BY
- KMID: 1569235
- J Korean Soc Ther Radiol Oncol.
- 1998 Mar;16(1):71-79.
PURPOSE: To generate the axial, coronal and sagittal images from conventional simulation images, as a preliminary study of broad-beam simulator CT. METHODS AND MATERIALS: Volumetric filtered back-projection was performed using... -
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- One Click Film (OCF) Dosimetry System for Routine QA
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Kim SY, Yi BY, Joo KS, Kim JH, Ahn SD, Lee SW, Choi EK
- KMID: 2323820
- J Korean Soc Ther Radiol Oncol.
- 2002 Dec;20(4):375-380.
PURPOSE: To develop a practical film dosimetry system for routine Quality Assurance (QA). MATERIALS AND METHODS: An One Click Film (OCF) Dosimetry system was designed to perform swift routine QA with... -
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- Remote Afterloading Hish Dose Rate (HDR) Endobronchial Brachytherapy
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Chang H, Choi EK, Yi BY, Kim WD, Kim WS, Koh YS
- KMID: 2323523
- J Korean Soc Ther Radiol.
- 1991 Dec;9(2):227-232.
Authors described the remote afterloading endobronchial brachytherapy (EBBT) technique using the microSelectron HDR Ir-192 and the Asan Medical Center experience. Total 28 EBBT in 9 patients were performed since November... -
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- High Dose Rate Ir-192 Source Calibration Method with Newly Designed Calibration Jig
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Yi BY, Choi EK, Chang H
- KMID: 2197214
- J Korean Soc Ther Radiol.
- 1989 Dec;7(2):299-304.
Authors have developed highly reproducible calibration method for the Micro-Selection HDR Ir-192 system(Nucletron, Netherland). The new jig has a 10cm radius circular hole in the 30cm x 30cm x 0.2cm... -
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- Direct Measurement of Chamber Response Function and Its Application to Radiation Dose Distribution Dosimetry
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Yi BY, Lee SH, Cho BC, Kim JH, Choi EK, Kwon SI, Chang H
- KMID: 2196538
- J Korean Soc Ther Radiol.
- 1997 Mar;15(1):65-70.
PURPOSE: To obtain the actual dose distribution from measured data by deconvolution method using the measured ion chamber response function. MATERIALS AND METHODS: The chamber response functions for 2 ionization chambers... -
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- The Sosimetric Effects on Scallop Penumbra from Multi-leaf Collimator by Daily Patient Setup Error in Radiation Therapy with Photon
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Yi BY
- KMID: 2097553
- J Korean Soc Ther Radiol.
- 1996 Dec;14(4):333-338.
PURPOSE: To evaluate the clinical implications of scallp penumbra width that comes from multileaf collimator(MLC) effect by the daily routine patient setup error. MATERIALS AND METHODS: The angles of 0degree, 15degree,... -
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- Partial Block Technique for Radiation Therapy of Lung Cancer with Dynamic Multi-leaf Collimator
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Ko YE, Yi BY, Baek GM, Lee SW, Ahn SD, Shin SS, Kim JH, Choi EK
- KMID: 1517796
- J Lung Cancer.
- 2003 Dec;2(2):123-127.
PURPOSE: A spinal cord partial block technique (PBT) with dynamic multileaf collimator (dMLC) for the reduction of the spinal cord dose while keeping the tumor dose unchanged has been developed... -
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- Intracranial Fibro-Osseous Lesion: A case report and literature review
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Lim JW, Lee SC, Yi BY, Sohn YK
- KMID: 2275759
- Korean J Pathol.
- 1997 Aug;31(8):798-801.
Intracranial fibro-osseous lesion, also reported as calcifying pseudoneoplasm of the neural axis, is an uncommon lesion of the central nervous system. Since the discovery of this entity by Rhodes and... -
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- Analysis of Radiation Field and Block Pattern for Optimal Size in Multileaf Collimator
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Ahn SD, Yang KM, Yi BY, Choi EK, Chang HS
- KMID: 2196765
- J Korean Soc Ther Radiol.
- 1994 Jun;12(2):253-262.
The patterns of the conventional radiation treatment fields and their shielding blocks are analysed to determine the optimal dimension of the MultiLeaf Collimator (MLC) which is considered as an essential... -
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- Study of Respiration Simulating Phantom using Thermocouple-based Respiration Monitoring Mask
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Lim S, Ahn SD, Park SH, Yi BY, Lee SH, Cho SJ, Huh HD, Shin SS, Kim JH, Lee SW, Kwon SI, Choi EK
- KMID: 2323931
- J Korean Soc Ther Radiol Oncol.
- 2005 Dec;23(4):217-222.
PURPOSE: To develop the respiration simulating phantom with thermocouple for evaluating 4D radiotherapy such as gated radiotherapy, breathing control radiotherapy and dynamic tumor tracking radiotherapy. MATERIALS AND METHODS: The respiration monitoring... -
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- Remote Afterloading High Dose Rate Brachytherapy AMC EXPERIANCES
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Park SG, Chang HS, Choi EK, Yi BY
- KMID: 2196966
- J Korean Soc Ther Radiol.
- 1992 Dec;10(2):267-275.
Remote afterloading high dose rate brachytherapy(HDRB) is a new technology and needs new biological principle for time and dose schedule. Here, authors attempt to evaluate the technique and clinical outcome... -
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- The Study of Normal Tissue Complication Probability (NTCP) for Radiation Pneumonitis by Effective Volume Method
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Ahn SD, Choi EK, Yi BY, Chang H
- KMID: 2196478
- J Korean Soc Ther Radiol.
- 1997 Sep;15(3):243-250.
PURPOSE: In radiation therapy, NTCP is very important indicator of selecting the optimal treatment plan. In our study, we tried to find out usefullness of NTCP in lung cancer by... -
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