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Energy Spectrum of KRISS 60Co Irradiation System

Yi CY, Chun KJ, Hah SH, Kim HM

  • KMID: 1482444
  • Korean J Med Phys.
  • 2008 Jun;19(2):139-141.
The photon energy spectrum of KRISS 60Co irradiation system (AECL Eldorado 8) was calculated by means of the Monte Carlo method. The collimators were modeled realistically, and the material and...
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Estimation of RTP Accuracy Based the International Reference Level

Oh YK, Kim KH, Jeong DH, Choi TJ, Kim JH, Kim OB

  • KMID: 1482440
  • Korean J Med Phys.
  • 2008 Jun;19(2):113-119.
In this study, we have estimated error of calculation results for 6-type RTP systems and investigated a toleration for error of the RTPs referenced from the evaluation items of AAPM...
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Development of QA Phantom Prototype for Imaged Based Radiation Treatment System

Chang J, Oh SJ, Jung WK, Jang HS, Kim HN, Kang DG, Lee DH, Suh TS

  • KMID: 1482441
  • Korean J Med Phys.
  • 2008 Jun;19(2):120-124.
In this study, we developed the protopype of QA phantom for image QA including an additional component for image based radiation treatment system. The new phantom considered two main parts:...
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Comparison of Helical TomoTherapy with Linear Accelerator Base Intensity-modulated Radiotherapy for Head & Neck Cases

Kim D, Yoon M, Park SY, Lee SB, Shin DH, Lee D, Kwak J, Park S, Lim YK, Kim J, Shin J, Cho KH

  • KMID: 1482437
  • Korean J Med Phys.
  • 2008 Jun;19(2):89-94.
TomoTherapy has a merit to treat cancer with Intensity modulated radiation and combines precise 3-D imaging from computerized tomography (CT scanning) with highly targeted radiation beams and rotating beamlets. In...
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Micro-CT System for Small Animal Imaging

Nam KY, Kim KW, Kim JH, Son HH, Ryu JH, Kang SH, Chon KS, Park SH, Yoon KH

  • KMID: 1482439
  • Korean J Med Phys.
  • 2008 Jun;19(2):102-112.
We developed a high-resolution micro-CT system based on rotational gantry and flat-panel detector for live mouse imaging. This system is composed primarily of an x-ray source with micro-focal spot size,...
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Accuracy Evaluation of Treatment Planning System Using Irregular-surface Water Phantom

Jeong DH, Kim KH, Lee KK, Moon SR, Kim JK, Shin KC, Oh YK, Kim JK, Cho MJ, Kim JS

  • KMID: 1482443
  • Korean J Med Phys.
  • 2008 Jun;19(2):131-138.
We evaluated on the calculation accuracy of treatment planning system (TPS) with phantom having convex and concave surface. The TPS is Eclipse (Varian, USA) using both algorithms AAA and PBC...
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Assessment on Gastrointestinal Transit Movement of Capsule Endoscopy in Beagle Dogs

Chang HS, Yang HT, Kim SY, Woo DC, Park WD, Yong JH, Choe BY, Kim HY, Choi CB

  • KMID: 1482442
  • Korean J Med Phys.
  • 2008 Jun;19(2):125-130.
The object of this study is to measure the transit time and passage rate of capsule endoscopy (CE) in the gastrointestinal tract in medium sized beagle dogs (7~13 kg). Animals...
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Evaluation of Antidepressant Drug Effect in a Depressive Animal Model by Proton MR Spectroscopy

Kim SY, Choi CB, Lee SH, Woo DC, Yoon SI, Hong KS, Lee HS, Cheong CJ, Jee BK, Hong ST, Kim HY, Choe BY

  • KMID: 1482438
  • Korean J Med Phys.
  • 2008 Jun;19(2):95-101.
In this study, we observed the alteration of choline signal intensity in hippocampus region of the depressive rat model induced by forced swimming test (FST). The purpose of this study...
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