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EJNMMI Research

Table 1 S values for radioiodine in the species-specific single follicle models

From: Dosimetric analysis of 123I, 125I and 131I in thyroid follicle models

 

β particles

CE

AE

Total

β particles

CE

AE

 

Svalue

Relative contribution

Svalue

Relative contribution

Svalue

Relative contribution

Svalue

 

(Gy/Bq·s)

(%)

(Gy/Bq·s)

(%)

(Gy/Bq·s)

(%)

(Gy/Bq·s)

Nucleus ← Lumen

 Mouse

       

  123I

-

-

1.23E-6

47.9

1.33E-6

52.1

2.56E-6

  125I

-

-

2.49E-6

53.6

2.16E-6

46.4

4.66E-6

  131I

8.56E-6

88.2

1.07E-6

11.0

7.74E-8

0.8

9.71E-6

 Rat

       

  123I

-

-

6.81E-7

62.7

4.06E-7

37.3

1.09E-6

  125I

-

-

8.05E-7

55.1

6.57E-7

44.9

1.46E-6

  131I

4.27E-6

89.8

4.63E-7

9.7

2.38E-8

0.5

4.75E-6

 Man

       

  123I

-

-

2.20E-7

86.7

3.39E-8

13.3

2.54E-7

  125I

-

-

8.16E-8

59.8

5.49E-8

40.2

1.37E-7

  131I

9.60E-7

93.3

6.71E-8

6.5

2.13E-9

0.2

1.03E-6

Nucleus ← Follicle cells

 Mouse

       

  123I

-

-

1.79E-6

10.2

1.58E-5

89.8

1.76E-5

  125I

-

-

1.24E-5

32.1

2.62E-5

67.9

3.86E-5

  131I

1.34E-5

86.2

1.25E-6

8.0

9.03E-7

5.8

1.56E-5

 Rat

       

  123I

-

-

9.64E-7

13.0

6.47E-6

87.0

7.43E-6

  125I

-

-

5.18E-6

32.6

1.07E-5

67.4

1.59E-5

  131I

6.87E-6

87.4

6.23E-7

7.9

3.66E-7

4.7

7.86E-6

 Man

       

  123I

-

-

3.05E-7

19.1

1.29E-6

80.9

1.60E-6

  125I

-

-

1.06E-6

32.9

2.15E-6

67.1

3.21E-6

  131I

1.76E-6

89.0

1.45E-7

7.3

7.28E-8

3.7

1.98E-6

Nucleus ← Nucleus

 Mouse

       

  123I

-

-

3.52E-4

1.7

2.06E-2

98.3

2.10E-2

  125I

-

-

1.38E-2

28.5

3.45E-2

71.5

4.83E-2

  131I

3.48E-3

70.9

2.18E-4

4.4

1.21E-3

24.7

4.91E-3

 Rat

       

  123I

-

-

1.58E-4

2.4

6.40E-3

97.6

6.56E-3

  125I

-

-

4.35E-3

28.9

1.07E-2

71.1

1.51E-2

  131I

1.52E-3

76.3

9.74E-5

4.9

3.74E-4

18.8

1.99E-3

 Man

       

  123I

-

-

9.03E-5

3.1

2.82E-3

96.9

2.91E-3

  125I

-

-

1.93E-3

29.1

4.70E-3

70.9

6.63E-3

  131I

8.44E-4

79.4

5.56E-5

5.2

1.63E-4

15.4

1.06E-3

  1. The S value and the relative contribution from the non-radiative transitions β particles, Auger electrons (AE) and internal conversion electrons (CE) to the follicle cell nucleus are given for the species-specific models of mouse, rat and man. 123I, 125I and 131I were homogeneously distributed within the follicle lumen, follicle cells and follicle cell nucleus.
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