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Study on Staffing of Medical Physicist in the Field of Radiation Therapy

Hwang UJ, Lim YG, Kim DW, Shin DO, Kim SK, Jung H, Ji YH

  • KMID: 2315725
  • Prog Med Phys.
  • 2012 Dec;23(4):209-218.
Recently, an adequate number of qualified medical physicist is needed for achieving effective treatment and securing safety to the patient, staff and the public on the course of radiation therapy,...
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The Measurement of National Standard beta-Rays Energy Spectrum

Kim CH, Yi CY, Kim HM, Hah SH, Jeon GJ

  • KMID: 2315734
  • Prog Med Phys.
  • 2012 Dec;23(4):285-291.
In the present study, we measured the pure beta particle energy spectra of 147Pm, 85Kr, 90Sr+90Y radionuclide sources. We confirmed the residual maximum energies of KRISS sources meet the requirement...
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Development and Application of Ir-192 Brachytherapy Source in Korea

Son KJ, Jeong DH

  • KMID: 2315739
  • Prog Med Phys.
  • 2012 Dec;23(4):326-332.
Recently, there are difficulties in operating brachtherapy machine in the radiotherapy department because of increasing the source price with decreasing nuclear reactor in the world. The development and technical features...
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The Development of Image Processing System for Medical Robot Remote Application

Kim JY, Kim JH, Kim JC, Kim KD, Yoo SK

  • KMID: 2315729
  • Prog Med Phys.
  • 2012 Dec;23(4):239-251.
In this paper, web-base image processing system has been implemented for remote-controlled medical robot applications. The developed software system was hierarchically composed of diverse image processing and remote operation modules,...
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Dose and Image Evaluations of Imaging for Radiotherapy

Lee H, Yoon C, Kim TJ, Kim D, Chung WK, Park SH, Lee W

  • KMID: 2315735
  • Prog Med Phys.
  • 2012 Dec;23(4):292-302.
The patient dose in advanced radiotherapy techniques is an important issue. These methods should be evaluated to reduce the dose in diagnostic imaging for radiotherapy. Especially, the Computed Tomography in...
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Development of Dual-Window Phantom for Output Measurement of Medical Linacs

Jeong DH, Kwak DW, Moon YM, Kang YR, Kim JK, Lee MW

  • KMID: 2315727
  • Prog Med Phys.
  • 2012 Dec;23(4):229-233.
A small water phantom (dual-window phantom) was developed to improve the output measurement efficiency of medical linacs. This phantom is suitable for determining the quality index and output dose for...
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Comparison of Digital Mammography and Digital Breast Tomosynthesis

Kim YS, Park HS, Choi JG, Choi YW, Park JH, Lee JJ, Kwak SB, Kim EH, Kim JY, Jung HJ, Lee HH, Bae GW, Lee MY, Kim HJ

  • KMID: 2315731
  • Prog Med Phys.
  • 2012 Dec;23(4):261-268.
Breast cancer is the second leading cause of women cancer death in Korea. The key for reducing disease mortality is early detection. Although digital mammography (DM) has been credited as...
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Development of Monte Carlo Simulation Code for the Dose Calculation of the Stereotactic Radiosurgery

Kang J, Lee DJ

  • KMID: 2315736
  • Prog Med Phys.
  • 2012 Dec;23(4):303-308.
The Geant4 based Monte Carlo code for the application of stereotactic radiosurgery was developed. The probability density function and cumulative density function to determine the incident photon energy were calculated...
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Analysis on the Dosimetric Characteristics of Tangential Breast Intensity Modulated Radiotherapy

Yoon MS, Kim YH, Jeong JU, Nam TK, Ahn SJ, Chung WK, Song JY

  • KMID: 2315726
  • Prog Med Phys.
  • 2012 Dec;23(4):219-228.
The tangential breast intensity modulated radiotherapy (T-B IMRT) technique, which uses the same tangential fields as conventional 3-dimensional conformal radiotherapy (3D-CRT) plans with physical wedges, was analyzed in terms of...
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Evaluation of the Radiochromic Film Dosimetry for a Small Curved Interface

Kang SK, Park S, Hwang T, Cheong KH, Han T, Kim H, Lee MY, Kim KJ, Bae H

  • KMID: 2315728
  • Prog Med Phys.
  • 2012 Dec;23(4):234-238.
A tumor on the eyelid is often treated using a high-energy electron beam, with a metallic eye shield inserted between the eyelid and the eyeball to preserve the patient's sight....
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HVL Measurement of the Miniature X-Ray Tube Using Diode Detector

Kim JH, An SH, Oh YJ, Ji YS, Huh JY, Kang CM, Suh H, Lee R

  • KMID: 2315733
  • Prog Med Phys.
  • 2012 Dec;23(4):279-284.
The X ray has been widely used in both diagnosis and treatment. Recently, a miniature X ray tube has been developed for radiotherapy. The miniature X ray tube is directly...
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Application of Off-axis Correction Method for EPID Based IMRT QA

Cho I, Kwark J, Park SH, Ahn SD, Jeong DH, Cho B

  • KMID: 2315738
  • Prog Med Phys.
  • 2012 Dec;23(4):317-325.
The Varian PORTALVISION (Varian Medical Systems, US) shows significant overresponses as the off-center distance increases compared to the predicted dose. In order to correct the dose discrepancy, the off-axis correction...
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List-event Data Resampling for Quantitative Improvement of PET Image

Woo SK, Ju JW, Kim JM, Kang JH, Lim SM, Kim KM

  • KMID: 2315737
  • Prog Med Phys.
  • 2012 Dec;23(4):309-316.
Multimodal-imaging technique has been rapidly developed for improvement of diagnosis and evaluation of therapeutic effects. In despite of integrated hardware, registration accuracy was decreased due to a discrepancy between multimodal...
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Evaluation of Image Quality in Micro-CT System Using Constrained Total Variation (TV) Minimization

Jo BD, Choi JH, Kim YH, Lee KH, Kim DH, Kim HJ

  • KMID: 2315730
  • Prog Med Phys.
  • 2012 Dec;23(4):252-260.
The reduction of radiation dose from x-ray is a main concern in computed tomography (CT) imaging due to the side-effect of the dose on human body. Recently, the various methods...
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Development of a Thermoplastic Oral Compensator for Improving Dose Uniformity in Radiation Therapy for Head and Neck Cancer

Choi JY, Won YJ, Park JY, Kim JW, Moon BK, Yoon HG, Moon SH, Jeon JB, Suh TS

  • KMID: 2315732
  • Prog Med Phys.
  • 2012 Dec;23(4):269-278.
Aquaplast Thermoplastic (AT) is a tissue-equivalent oral compensator that has been developed to improve dose uniformity at the common boundary and around the treated area during radiotherapy in patients with...
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