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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.2
- 수록면
- 681 - 688 (8page)
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초록· 키워드
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Dose monitoring in CT patients requires accurate dose estimation but most of the CT dose calculationtools are based on Caucasian computational phantoms. We established a library of organ dose conversioncoefficients for Korean adults by using four Korean adult male and two female voxel phantoms combinedwith Monte Carlo simulation techniques. We calculated organ dose conversion coefficients for head,chest, abdomen and pelvis, and chest-abdomen-pelvis scans, and compared the results with the existingdata calculated from Caucasian phantoms. We derived representative organ doses for Korean adultsusing Korean CT dose surveys combined with the dose conversion coefficients. The organ dose conversion coefficients from the Korean adult phantoms were slightly greater than those of the ICRP referencephantoms: up to 13% for the brain doses in head scans and up to 10% for the dose to the small intestinewall in abdominal scans. We derived Korean representative doses to major organs in head, chest, and APscans using mean CTDIvol values extracted from the Korean nationwide surveys conducted in 2008 and2017. The Korean-specific organ dose conversion coefficients should be useful to readily estimate organabsorbed doses for Korean adult male and female patients undergoing CT scans
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