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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

(%)

Lungs

0.12

15.3 ± 2.5

34.7

Bone marrow (red)

0.12

15.6 ± 2.3

3.2

33.6

Muscle

Remainder (0.12)

18.1 ± 2.1

30.5

23.0

Spleen

Remainder (0.12)

19.8 ± 3.0

21.5

15.5

Adrenals glands

Remainder (0.12)

20.4 ± 3.3

6.7

13.2

Kidneys

Remainder (0.12)

20.9 ± 3.4

6.3

11.0

Heart wall

Remainder (0.12)

20.9 ± 3.4

0.0

11.0

Gonads (testes/ovaries)

0.08

20.7 ± 3.4

-2.6

11.9

Liver

0.04

22.4 ± 3.9

21.2

4.6

Urinary bladder content

0.04

23.1 ± 3.4

8.6

1.6

Thyroid

0.04

23.3 ± 3.4

2.0

0.9

Brain

0.01

23.4 ± 3.4

1.1

0.5

Salivary glands

0.01

23.5 ± 3.5

1.5

0.0

Pituitary gland

23.5 ± 3.5

0.0

0.0

  1. The order of the remainder organs/tissues were according to the impact shown in Table 3