Age | ||||
---|---|---|---|---|
Organ | 9 mo (M) | 4 y (F) | 11 y (M) | 14 y (M) |
Bone marrow | 6.02 | 6.64 | 7.33 | 7.62 |
Lungs | 15.95 | 14.75 | 12.74 | 13.04 |
Stomach | 15.62 | 14.13 | 12.71 | 10.73 |
Muscle | 8.20 | 7.68 | 5.93 | 5.40 |
Breast | 10.67 | |||
Gonads | 12.66 | 14.39 | 8.15 | 7.83 |
Effective dose | 12.41 | 12.80 | 9.88 | 9.24 |
Age* | 12 mo | 5 y | 10 y | |
CTADI* | 11.11 | 10.20 | 9.19 |
↵* Ages and CT anthropomorphic dose index values for similar acquisition from Fahey et al. (21), included for comparison.
Radiation organ doses (in mGy) and effective dose (in mSv) from CAP CT, 120 kVp, 100 mAs, 12-mm beam thickness, and 1:1 pitch based on the University of Florida set of computerized pediatric phantoms (23).