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KMID : 1151820160100030161
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Journal of the Korean Society of Radiology
2016 Volume.10 No. 3 p.161 ~ p.169
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A Survey on the Radiation Exposure Doses Reduction Plan through Dose Index Analysis in the Pediatric Brain Computed Tomography
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Kim Hyun-Jin
Lee Hyo-Yeong
Im In-Chul
Yu Yun-Sik
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Abstract
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In this study, the proposal to seek ways to reduce the amount of radiation is drawn by comparing and analyzing CT Dose Index(CTDI) on the pediatric head CT which was performed at the busan regional hospitals, to the national diagnostic reference levels. As a result, it was appeared to exceed the amount of the dose recommendation in order of hospital, general hospital and senior general hospital in the hospital-specific classification and from 2 to 5 year, from 1 month to 1 year and from 6 to 10 year in the age-specific classification. In addition, the amount of the dose recommendation was exceed in order of helical, axial and volume in the scan-specific classification. As the results of the scan range reset to match the diagnostic reference level, the dose reduction showed 11.68%, 15.79% and 20.66% in senior general hospital, general hospital and hospital respectively. In the results of analysing patient average scan ranges which does not deviate from the guideline of patient dose recommendation, there was age of 1 month to 1 year, 2 to 5 year and 6 to 10 year of 03.2±11.8 mm, 110.5±14.5 mm, and 117.8±17.2 mm respectively.
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KEYWORD
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Picture archiving communication system, Electronic medical record, Computed tomography dose index, Standard diagnostic reference level
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