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Table B.25: Red bone marrow in the whole body - Helmholtz ...

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39<br />

<strong>Table</strong> B. 8: Liver<br />

Mean organ dose normalised to air kerma free <strong>in</strong> air on <strong>the</strong> axis of rotation<br />

and average coefficients of variance per s<strong>in</strong>gle 1 cm wide slice; <strong>the</strong> volume<br />

ratio of <strong>the</strong> organ located with<strong>in</strong> each s<strong>in</strong>gle slice is also shown.<br />

Slice Volume Conversion factors Coeff.<br />

ratio<br />

of var.<br />

80 kV 125 kV<br />

cm % 360° 180° 360° 180° %<br />

1 to 2 .0001 * .0001 .0001 9.58<br />

2 to 3 .0001 .0001 .0001 .0001 7.46<br />

3 to 4 .0001 .0001 .0002 .0002 6.13<br />

4 to 5 .0002 .0002 .0002 .0002 5.29<br />

5 to 6 .0002 .0002 .0004 .0003 4.57<br />

6 to 7 .0003 .0003 .0004 .0004 4.04<br />

7 to 8 .0003 .0004 .0006 .0006 3.49<br />

8 to 9 .0005 .0005 .0007 .0008 3.01<br />

9 to 10 .0007 .0007 .0010 .0011 2.53<br />

10 to 11 .0010 .0010 .0013 .0014 2.21<br />

11 to 12 .0012 .0013 .0017 .0017 1.97<br />

12 to 13 .0017 .0017 .0023 .0023 1.69<br />

13 to 14 .0022 .0023 .0030 .0030 1.48<br />

14 to 15 .0031 .0032 .0042 .0042 1.24<br />

15 to 16 .0042 .0046 .0057 .0058 1.06<br />

16 to 17 .0058 .0062 .0076 .0078 0.92<br />

17 to 18 .0082 .0085 .0103 .0105 0.79<br />

18 to 19 .0112 .0118 .0138 .0142 0.68<br />

19 to 20 .0155 .0169 .0188 .0198 0.58<br />

20 to 21 0.1 .0227 .0248 .0262 .0284 0.49<br />

21 to 22 4.4 .0564 .0653 .0637 .0724 0.32<br />

22 to 23 19.3 .1343 .1622 .1528 .1783 0.22<br />

23 to 24 20.4 .1492 .1785 .1684 .1961 0.20<br />

24 to 25 17.0 .1369 .1591 .1542 .1743 0.22<br />

25 to 26 17.5 .1352 .1579 .1519 .1722 0.22<br />

26 to 27 10.6 .0994 .1134 .1107 .1239 0.25<br />

27 to 28 6.6 .0704 .0769 .0790 .0842 0.30<br />

28 to 29 3.9 .0467 .0495 .0524 .0547 0.36<br />

29 to 30 0.3 .0190 .0195 .0220 .0222 0.54<br />

30 to 31 .0111 .0113 .0133 .0132 0.69<br />

31 to 32 .0072 .0073 .0088 .0089 0.85<br />

32 to 33 .0046 .0047 .0058 .0059 1.04<br />

33 to 34 .0029 .0030 .0038 .0039 1.28<br />

34 to 35 .0020 .0021 .0027 .0027 1.54

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