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

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141<br />

<strong>Table</strong> D.26: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> sternum<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 * 10.36<br />

2 to 3 * * .0001 .0001 13.57<br />

3 to 4 .0001 * .0001 .0002 16.11<br />

4 to 5 .0001 .0001 .0001 .0002 18.21<br />

5 to 6 .0001 .0001 .0001 .0002 19.53<br />

6 to 7 .0001 .0001 .0002 .0002 17.30<br />

7 to 8 .0002 .0001 .0003 .0003 16.07<br />

8 to 9 .0002 .0002 .0004 .0004 15.13<br />

9 to 10 .0002 .0003 .0005 .0004 13.43<br />

10 to 11 .0003 .0003 .0007 .0006 12.17<br />

11 to 12 .0004 .0005 .0007 .0008 10.68<br />

12 to 13 .0006 .0005 .0011 .0010 9.53<br />

13 to 14 .0009 .0007 .0014 .0013 8.03<br />

14 to 15 .0010 .0011 .0018 .0017 7.15<br />

15 to 16 .0014 .0015 .0023 .0027 6.24<br />

16 to 17 .0020 .0019 .0031 .0031 5.38<br />

17 to 18 .0029 .0028 .0044 .0045 4.61<br />

18 to 19 .0038 .0040 .0057 .0058 3.95<br />

19 to 20 .0048 .0053 .0062 .0071 3.54<br />

20 to 21 .0056 .0077 .0083 .0096 3.15<br />

21 to 22 .0056 .0075 .0078 .0100 2.13<br />

22 to 23 .0083 .0110 .0114 .0143 2.65<br />

23 to 24 .0147 .0226 .0206 .0290 1.98<br />

24 to 25 23.3 .0767 .1285 .0986 .1620 1.00<br />

25 to 26 20.3 .0701 .1206 .0927 .1483 1.03<br />

26 to 27 10.6 .0476 .0807 .0625 .0990 1.22<br />

27 to 28 7.9 .0428 .0691 .0544 .0883 1.28<br />

28 to 29 10.8 .0514 .0879 .0654 .1083 1.18<br />

29 to 30 7.8 .0414 .0688 .0530 .0842 1.30<br />

30 to 31 4.9 .0315 .0524 .0412 .0638 1.45<br />

31 to 32 11.6 .0509 .0876 .0649 .1056 1.19<br />

32 to 33 2.7 .0202 .0325 .0263 .0409 1.79<br />

33 to 34 .0082 .0114 .0119 .0157 2.58<br />

34 to 35 .0058 .0079 .0089 .0110 3.01

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