Table 7 Impact of number of tissues/organs for CE stylized reference phantoms depending on decreasing ICRP Publication 60 tissue weighting factors wT to calculate the effective dose coefficient, e, with the SD. The difference in percent calculated according to Eq. 4 and stability according to Eq. 5
Tissue/organ (n = 12) | Tissue weighting factor wT | Effective dose coefficient e (μSv/MBq) | Difference (%) | Stability (%) |
|---|---|---|---|---|
Gonads (testes/ovaries) | 0.20 | 13.6 ± 1.5 | – | 51.0 |
Lungs | 0.12 | 15.3 ± 2.8 | 12.5 | 44.6 |
Bone marrow (red) | 0.12 | 16.1 ± 2.5 | 5.4 | 41.8 |
Urinary bladder content | 0.05 | 19.9 ± 2.5 | 27.0 | 28.1 |
Liver | 0.05 | 22.2 ± 3.0 | 15.9 | 20.0 |
Thyroid gland | 0.05 | 22.4 ± 3.2 | 1.4 | 19.2 |
Spleen | Remainder (0.05)† | 28.2 ± 5.3 | 41.6 | 2.0 |
Adrenal glands | Remainder (0.05)† | 28.4 ± 5.3 | 1.4 | 2.7 |
Kidneys | Remainder (0.05)† | 28.5 ± 5.3 | 0.4 | 2.9 |
Brain | Remainder (0.05)† | 28.5 ± 5.3 | 0.0 | 2.9 |
Muscle | Remainder (0.05)† | 27.7 ± 5.1 | − 5.4 | 0.1 |
Heart wall | – | 27.7 ± 5.0 | − 0.2 | 0.0 |