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KMID : 0357520090320010107
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Journal of Radiological Science and Technology
2009 Volume.32 No. 1 p.107 ~ p.110
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Measurement of Skin Dose from Using the Treatment Immobilization Devices
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Je Jae-Yong
Park Chul-Woo
Noh Kyung-Suk
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Abstract
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The research was about the relation between the dorsal side dose measured by using the phantom body (Alderson Rando Phantom) and factors like contacted material of the patients, the size of the field, angle of incidence. Compared with mylar (tennis racket), the dose on field size of cotton was increased by 2% and by 8% in the case of breast board. In the case of field size, the dose was increased by 6% compared with size. The field size of resulted in 10% increase of dose, while produced 13% decrease. Compared with incident angle , the cases for the incident angle had 0.4% less dose for breast board, 0.5% for tennis racket, 1.1% for cotton. The cases for the incident angle had 1.5% less dose for breast board, 1.9% for tennis racket, 2.6% for cotton. For the incident angle , breast board, tennis racket, cotton caused decrease of dose by 3.9%, 2.6%, 3.86% respectively. Resultantly carbon material can cause more skin dose in treatment field. By the results of this study, we recommend that one should avoid the contact between the carbon material and skin.
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KEYWORD
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Alderson rando phantom, Mylar, Incident angle, Skin dose, Treatment immobilization devices
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