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KMID : 0357520170400030355
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Journal of Radiological Science and Technology
2017 Volume.40 No. 3 p.355 ~ p.361
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Comparison of ESD and Major Organ Absorbed Doses of 5-Year-Old Standard Guidelines and Clinical Exposure Conditions
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Kang A-Rum
Lee In-Ja
Ahn Sung-Min
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Abstract
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Pediatrics are more sensibility to radiation than adults and because they are organs that are not completely grown, they have a life expectancy that can be adversely affected by exposure. Therefore, the management of exposure dose is more important than the case of adult. The purpose of this study was to determine the suitability of the 10 year old phantom for the 5 year old pediatric's recommendation and the incident surface dose, and to measure the organ absorbed dose. This study is compared the organ absorbed dose and the entrance surface dose in the clinical conditions at 5 and 10 years old pediatric. Clinical 5 year old condition was slightly higher than recommendation condition and 10 year old condition was very high. In addition, recommendation condition ESD was found to be 43% higher than the ESD of the 5 year old group and the ESD of the 10 year old group was 126% higher than that of the 5 year old group. The recommended ESD at 5 years old and the ESD according to clinical imaging conditions were 31.6%. There was no significant difference between the 5 year old recommended exposure conditions and the organ absorbed dose due to clinical exposure conditions, but there was a large difference between the Chest and Pelvic. However, it was found that there was a remarkable difference when comparing the organ absorbed dose by 10 year clinical exposure conditions. Therefore, more detailed standard exposure dose for the recommended dose of pediatric should be studied.
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KEYWORD
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Pediatric recommended exposure guided , Entrance skin dose(ESD) , Organ absorbed dose , Pediatric phantom , Pediatric clinical exposure conditions
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