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Development of Lead Free Shielding Material for Diagnostic Radiation Beams

Choi TJ, Oh YK, Kim JH, Kim OB

  • KMID: 2243943
  • Korean J Med Phys.
  • 2010 Jun;21(2):232-237.
The shielding materials designed for replacement of lead equivalent materials for lighter apron than that of lead in diagnostic photon beams. The absorption characteristics of elements were applied to investigate...
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Analysis and Investigation for the Status of Radiation Therapy QA in Korea

Lee SH, Kim J, Cho SJ, Cho KH, Lim C, Kim HJ, Huh H, Shin DO, Kwon S, Choi J

  • KMID: 2243942
  • Korean J Med Phys.
  • 2010 Jun;21(2):223-231.
We have taken surveys about total 72 departments of radiation oncology which is performing the treatment with linear accelerator and brachytherapy unit in Korea. The survey was included the research...
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Property of Dose Distribution in Accordance with Dose Rate Variation in Intensity Modulated Radiation Therapy

Kang MK, Kim SJ, Shin HS, Kim SK

  • KMID: 2243941
  • Korean J Med Phys.
  • 2010 Jun;21(2):218-222.
As radiation is irradiated from various directions in intensity modulated radiation therapy (IMRT), longer treatment time than conventional treatment method is taken. In case of the patients who have problem...
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Comparison of Retinal Ganglion Cell Responses to Different Voltage Stimulation Parameters in Normal and rd1 Mouse Retina

Ye JH, Ryu SB, Kim KH, Goo YS

  • KMID: 2243940
  • Korean J Med Phys.
  • 2010 Jun;21(2):209-217.
Retinal prostheses are being developed to restore vision for the blind with retinal diseases such as retinitis pigmentosa (RP) or age-related macular degeneration (AMD). Since retinal prostheses depend upon electrical...
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Deduction and Verification of Optimal Factors for Stent Structure and Mechanical Reaction Using Finite Element Analysis

Jeon DM, Jung WG, Kim HK, Kim SH, Shin IG, Jang HS, Suh TS

  • KMID: 2243939
  • Korean J Med Phys.
  • 2010 Jun;21(2):201-208.
Recently, along with technology development of endoscopic equipment, a stent has been developed for the convenience of operation, shortening of recovery times, and reduction of patient's pain. To this end,...
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Monte Carlo Study Using GEANT4 of Cyberknife Stereotactic Radiosurgery System

Lee CI, Shin JW, Shin HJ, Jung JY, Kim YL, Min JH, Hong SW, Chung SM, Jung WG, Suh TS

  • KMID: 2243938
  • Korean J Med Phys.
  • 2010 Jun;21(2):192-200.
Cyberknife with small field size is more difficult and complex for dosimetry compared with conventional radiotherapy due to electronic disequilibrium, steep dose gradients and spectrum change of photons and electrons....
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First Clinical Experience about RapidArc Treatment with Prostate Cancer in Ajou University Hospital

Park HJ, Kim MH, Chun M, Oh YT, Suh TS

  • KMID: 2243937
  • Korean J Med Phys.
  • 2010 Jun;21(2):183-191.
In this study, the patient with localized prostate cancer who had previously been treated at Ajou University Hospital was randomly selected since March, 2009. we performed IMRT and 2RA plans...
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Evaluation of the Feasibility of Applying Metabolic Target Volume in 4D RT Using PET/CT Image

Kim C, Chun KS, Huh KH, Kim YS, Jang HS, Jung WG, Xing L, Suh TS

  • KMID: 2243936
  • Korean J Med Phys.
  • 2010 Jun;21(2):174-182.
In this study, we evaluated feasibility of applying MTV (Metabolic Target Volume) to respiratory gated radiotherapy for more accurate treatment using various SUV (Standard Uptake Value) from PET images. We...
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Effects of Arc Number or Rotation Range upon Dose Distribution at RapidArc Planning for Liver Cancer

Park HJ, Kim MH, Chun M, Oh YT, Suh TS

  • KMID: 2243935
  • Korean J Med Phys.
  • 2010 Jun;21(2):165-173.
In this paper, we evaluated the performance of 3D CRT, IMRT and three kind of RA plannings to investigate the clinical effect of RA with liver cancer case. The patient...
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Development of the Multi-Parametric Mapping Software Based on Functional Maps to Determine the Clinical Target Volumes

Park JY, Jung WG, Lee JW, Lee KN, Ahn KJ, Hong S, Juh R, Choe BY, Suh TS

  • KMID: 2243934
  • Korean J Med Phys.
  • 2010 Jun;21(2):153-164.
To determine the clinical target volumes considering vascularity and cellularity of tumors, the software was developed for mapping of the analyzed biological clinical target volumes on anatomical images using regional...
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Performance Measurement of Siemens Inveon PET Scanner for Small Animal Imaging

Yu AR, Kim JS, Kim KM, Lee YS, Kim JG, Woo SK, Park JA, Kim HJ, Cheon GJ

  • KMID: 2243933
  • Korean J Med Phys.
  • 2010 Jun;21(2):145-152.
Inveon PET is a recently developed preclinical PET system for small animal. This study was conducted to measure the performance of Inveon PET as recommended by the NEMA NU 4-2008....
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Reducing of Craniofacial Radiation Dose Using Automatic Exposure Control Technique in the 64 Multi-Detector Computed Tomography

Seoung YH, Kim YO, Choe BY

  • KMID: 2243932
  • Korean J Med Phys.
  • 2010 Jun;21(2):137-144.
The purpose of this study was to evaluate the usefulness of reducing of craniofacial radiation dose using automatic exposure control (AEC) technique in the 64 multi-detector computed tomography (MDCT). We...
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The Clinical Implementation of 2D Dose Distribution QA System for the Patient Specific Respiratory-gated Radiotherapy

Kim JS, Shin E, Shin JS, Ju SG, Han Y, Park HC, Choi DH

  • KMID: 2243931
  • Korean J Med Phys.
  • 2010 Jun;21(2):127-136.
Emerging technologies such as four-dimensional computed tomography (4D CT) is expected to allow clinicians to accurately model interfractional motion and to quantitatively estimate internal target volumes (ITVs) for radiation therapy...
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