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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

From: Accuracy in dosimetry of diagnostic agents: impact of the number of source tissues used in whole organ S value-based calculations

Tissue/organ
(n = 12)
Tissue weighting factor
wT
Effective dose coefficient
e
(μSv/MBq)
Difference
(%)
Stability
(%)
Gonads (testes/ovaries)0.2013.6 ± 1.551.0
Lungs0.1215.3 ± 2.812.544.6
Bone marrow (red)0.1216.1 ± 2.55.441.8
Urinary bladder content0.0519.9 ± 2.527.028.1
Liver0.0522.2 ± 3.015.920.0
Thyroid gland0.0522.4 ± 3.21.419.2
SpleenRemainder (0.05)28.2 ± 5.341.62.0
Adrenal glandsRemainder (0.05)28.4 ± 5.31.42.7
KidneysRemainder (0.05)28.5 ± 5.30.42.9
BrainRemainder (0.05)28.5 ± 5.30.02.9
MuscleRemainder (0.05)27.7 ± 5.1− 5.40.1
Heart wall27.7 ± 5.0− 0.20.0
  1. The order of the remainder organs/tissues were according to impact (percentage increase) shown in Table 6