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The Effect of the CT Number for Each CT on Dose Calculation

Cho KH, Lee S, Cho SJ, Lim S, Huh HD, Min CK, Cho BC, Kim YH, Choi DH, Kim ES, Kwon SI

  • KMID: 1590873
  • Korean J Med Phys.
  • 2005 Dec;16(4):161-165.
The CT number corresponds to electron density and its influence on dose calculation was studied. Five kinds of CT scanners were used to obtain images of electron density calibration phantom...
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Supralinearity of UV Irradiated Magnesium Aluminum Spinel

Kim T

  • KMID: 1590880
  • Korean J Med Phys.
  • 2005 Dec;16(4):202-206.
Three-dimensional thermoluminescence (TL) spectra from MgAl2O4 irradiated with UV light were measured over 300~600 K and 300~800 nm. The peak positions of TL glow curves were shifted to lower temperature...
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Improvement of a Planning Technique Based on Heuristic Target Shaping for Stereotactic Radiosurgery

Oh S, Choi KS, Song JY, Suh TS

  • KMID: 1590875
  • Korean J Med Phys.
  • 2005 Dec;16(4):176-182.
Stereotactic radiosurgery (SRS) is a technique to deliver a high dose to a target region and a low dose to a critical organ through only one or a few irradiation....
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Determination of Tumor Volume in PET for the Radiation Treatment Planning : Computer Simulation

Yoon SN, Joh CW, Lee JS

  • KMID: 1590877
  • Korean J Med Phys.
  • 2005 Dec;16(4):183-191.
The utilization of PET has been increased so fast since the usefulness of the PET has been proved in various clinical and research fields. Among the many applications, the PET...
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Characteristics of Light-evoked Retinal Ganglion Cell Activity with Postnatal Maturation in SD Rat

Ye JH, Goo YS

  • KMID: 1590883
  • Korean J Med Phys.
  • 2005 Dec;16(4):214-219.
As part of Korean retinal prosthesis project, we have provided preliminary experimental results regarding voltage parameters for the stimulation of chemically degenerated rabbit retina. Since our APB-treated chemically degenerated retina...
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Impact of Contrast Agent for PET Images with CT-based Attenuation Correction

Son HK, Turkington TG, Kwon YY, Jung H, Kim HJ

  • KMID: 1590878
  • Korean J Med Phys.
  • 2005 Dec;16(4):192-201.
Experiments and simulation were done to study the impact of contrast agent when CT scan was used to attenuation correction for PET images in PET/CT system. Whole body phantom was...
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Measurements of Carotid Intima, Media, and Intima-media Thickness and Their Clinical Importance

Kim WS, Jeong HT, No KY, Bae JH

  • KMID: 1590881
  • Korean J Med Phys.
  • 2005 Dec;16(4):207-213.
The severity of carotid intima-media thickness (IMT) is an independent predictor of atherosclerosis which causes transient cerebral ischemia, stroke, and coronary events such as myocardial infarction. The IMT consists of...
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Dosimetric Verification of Dynamic Conformal Arc Radiotherapy

Kim TH, Shin DH, Lee DH, Park SY, Yun MG, Shin KH, Pyo HR, Kim JY, Kim DY, Cho KH, Yang DS, Kim CY

  • KMID: 1590874
  • Korean J Med Phys.
  • 2005 Dec;16(4):166-175.
The purpose of this study is to develop the optimization method for adjusting the film isocenter shift and to suggest the quantitative acceptable criteria for film dosimetry after optimization in...
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