Figure 3
Flow chart illustrating radiation dose terms in computed tomography (CT): Air karma, Monte Carlo simulations (MC) and organ segmentations (OS) are used for absorbed organ dose calculation. Multiplication of absorbed organ dose with radiation weighting factors (WR) results in equivalent organ dose. For calculation of effective organ dose (EDORGAN) tissue weighting factors (WT) are required. Effective whole-body dose (EDMC) is the sum (∑) of each EDORGAN. Data from BEIR VII report was used to estimate Lifetime Attributable Risk (LARMC) of cancer mortality and to calculate its relation to the baseline of lifetime attributable cancer risk as Excess Relative Risk (ERR).
