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Table 4 Impact of number of tissues/organs for ICRP Publication 110 voxelized reference phantoms depending on decreasing ICRP Publication 103 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 = 14)
Tissue weighting factor
wT
Effective dose coefficient
e
(μSv/MBq)
Difference
(%)
Stability
(%)
Lungs0.1215.3 ± 2.534.7
Bone marrow (red)0.1215.6 ± 2.33.233.6
MuscleRemainder (0.12)18.1 ± 2.130.523.0
SpleenRemainder (0.12)19.8 ± 3.021.515.5
Adrenals glandsRemainder (0.12)20.4 ± 3.36.713.2
KidneysRemainder (0.12)20.9 ± 3.46.311.0
Heart wallRemainder (0.12)20.9 ± 3.40.011.0
Gonads (testes/ovaries)0.0820.7 ± 3.4-2.611.9
Liver0.0422.4 ± 3.921.24.6
Urinary bladder content0.0423.1 ± 3.48.61.6
Thyroid0.0423.3 ± 3.42.00.9
Brain0.0123.4 ± 3.41.10.5
Salivary glands0.0123.5 ± 3.51.50.0
Pituitary gland23.5 ± 3.50.00.0
  1. The order of the remainder organs/tissues were according to the impact shown in Table 3