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Study on the Evaluation of TRS-398 Quality Factors with Central Electrode Corrections for Small Cylindrical Chambers

Kang YR, Lee CY, Kim JH, Moon YM, Kwak DW, Kang SK, Kim JK, Yang K, Jeong DH

  • KMID: 2243879
  • Korean J Med Phys.
  • 2011 Sep;22(3):148-154.
The quality factors (kQ,Q0) were evaluated by appling the results recently studied for the effect of central electrode in TRS-398 protocol. The PTW-31010 and IBA-CC13 chambers were used in this...
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Synchrotron Radiation Imaging of Breast Tissue Using a Phase-contrast Hard X-ray Microscope

Jeong YJ, Bong JG, Park SH

  • KMID: 2243875
  • Korean J Med Phys.
  • 2011 Sep;22(3):117-123.
Synchrotron radiation (SR) imaging enables us to observe internal structures of biologic samples without staining. In this study, we obtained X-ray microscopic images of human breast tissues with 11.1 KeV...
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Setting Up a CR Based Filmless Environment for the Radiation Oncology

Kim DY, Lee J, Kim M, Ha B, Lee C, Kim S, Ahn S, Lee R

  • KMID: 2243880
  • Korean J Med Phys.
  • 2011 Sep;22(3):155-162.
The analog image based system consisted of a simulator and medical linear accelerator (LINAC) for radiotherapy was upgraded to digital medical image based system by exchanging the X-ray film with...
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Absorbed Dose Determination for a Biological Sample Irradiated by Gamma Rays from a Cs-137 Source

Jeong DH, Kim JK, Yang KM, Ju MS, Kim MY, Lee CY, Kim JH

  • KMID: 2243876
  • Korean J Med Phys.
  • 2011 Sep;22(3):124-130.
In this study the dosimetric evaluation for a biological sample irradiated by gamma rays from Cs-137 irradiator (Gamma Irradiator, Chiyoda Technol Co., Japan) was performed for radiobiological experiment. A spherical...
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Development of a Method to Measure the Radiation Isocenter Size of Linear Accelerators and Quantitative Analysis of the Radiation Isocenter Size for Clinac 21EX Linear Accelerator

Jeon H, Nam J, Park D, Kim YH, Kim W, Kim D, Ki Y, Kim D

  • KMID: 2243877
  • Korean J Med Phys.
  • 2011 Sep;22(3):131-139.
A method to get a size of the radiation isocenter of linear accelerators using star-shot images was presented and a computer program was developed to automate the method. Accuracy of...
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Development of Movement Analysis Program and Its Feasibility Test in Streotactic Body Radiation Threrapy

Shin E, Han Y, Park HC, Kim JS, Shin JS, Ju SG, Lee J, Ahn JH, Lee J, Choi DH

  • KMID: 2243874
  • Korean J Med Phys.
  • 2011 Sep;22(3):107-116.
Respiratory gated radiation therapy and stereotactic body radiation therapy require identical tumor motions during each treatment with the motion detected in treatment planning CT. Therefore, this study developed a tumor...
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Estimation of Internal Motion for Quantitative Improvement of Lung Tumor in Small Animal

Yu JW, Woo SK, Lee YJ, Kim KM, Kim JS, Lee KC, Park SJ, Yu RJ, Kang JH, Ji YH, Chung YH, Kim BI, Lim SM

  • KMID: 2243878
  • Korean J Med Phys.
  • 2011 Sep;22(3):140-147.
The purpose of this study was to estimate internal motion using molecular sieve for quantitative improvement of lung tumor and to localize lung tumor in the small animal PET image...
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