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KMID : 0896219970170010021
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Journal of Daegu Health College
1997 Volume.17 No. 1 p.21 ~ p.30
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Dosimetry for Total Skin Electron Therapy
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Kim Seong-Hwan
Park Jong-Sam
Lee Joon-Il
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Abstract
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Total Skin Electron Therapy(TSET) was used to treat superficially widespread skin legions such as mycosis fungoides and achronic progressive lymphoma. This paper described the dosimetry for the TSET at energy of about 6 MeV electron beams(Linear Accelerator, Siemens Mevatron KD) with dual field beams. The optimal conditions of the TSET were achieved when source skin distance was 500 cm, the angle between dual beams was 28^(。) and thickness of acryle filter was 0.8cm. At that time, the mean energy of electron beam was 3.8 MeV and the filed size of electron beam at the patients treatment plane was 180×100 ㎠. Within this rectangle, the uniformity of dose distribution was ±10% and the uniformity was ±5% except comer of the rectangle med. And the dose rate of the center was 11.7 cGy/min.
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