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

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118<br />

<strong>Table</strong> D.14: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> arm <strong>bone</strong>s<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 />

3 to 4 * * .0001 .0001 12.21<br />

4 to 5 * * .0001 .0001 11.22<br />

5 to 6 .0001 .0001 .0001 .0001 9.61<br />

6 to 7 .0001 .0001 .0002 .0001 8.26<br />

7 to 8 .0001 .0001 .0002 .0002 7.41<br />

8 to 9 .0001 .0001 .0003 .0003 6.39<br />

9 to 10 .0001 .0002 .0003 .0003 6.03<br />

10 to 11 .0002 .0002 .0003 .0003 5.51<br />

11 to 12 .0002 .0002 .0004 .0004 5.30<br />

12 to 13 .0003 .0003 .0004 .0004 4.87<br />

13 to 14 .0003 .0003 .0005 .0005 4.55<br />

14 to 15 .0004 .0004 .0005 .0005 4.25<br />

15 to 16 .0004 .0004 .0006 .0006 4.19<br />

16 to 17 .0004 .0004 .0006 .0006 4.12<br />

17 to 18 .0004 .0004 .0006 .0006 3.99<br />

18 to 19 .0004 .0004 .0006 .0006 3.99<br />

19 to 20 .0005 .0005 .0009 .0008 3.49<br />

20 to 21 0.2 .0035 .0038 .0046 .0049 1.50<br />

21 to 22 3.1 .0132 .0158 .0173 .0202 0.55<br />

22 to 23 7.9 .0317 .0385 .0422 .0497 0.54<br />

23 to 24 7.8 .0291 .0354 .0396 .0469 0.56<br />

24 to 25 4.0 .0180 .0219 .0248 .0290 0.69<br />

25 to 26 1.9 .0110 .0127 .0151 .0174 0.85<br />

26 to 27 1.3 .0082 .0093 .0114 .0128 0.96<br />

27 to 28 1.2 .0073 .0080 .0103 .0111 1.02<br />

28 to 29 1.2 .0070 .0075 .0097 .0103 1.06<br />

29 to 30 1.2 .0066 .0070 .0095 .0098 1.09<br />

30 to 31 1.2 .0067 .0067 .0092 .0094 1.10<br />

31 to 32 1.2 .0067 .0067 .0095 .0093 1.10<br />

32 to 33 1.2 .0069 .0066 .0096 .0094 1.10<br />

33 to 34 1.2 .0070 .0066 .0099 .0090 1.10<br />

34 to 35 1.3 .0075 .0065 .0103 .0091 1.08<br />

35 to 36 1.6 .0093 .0076 .0124 .0104 1.00<br />

36 to 37 1.7 .0106 .0087 .0140 .0117 0.95

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