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

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60<br />

<strong>Table</strong> B.20: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> scapulae<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 />

0 to 1 .0002 .0001 .0001 .0002 12.31<br />

1 to 2 .0002 .0002 .0002 .0003 18.44<br />

2 to 3 .0004 .0002 .0005 .0005 17.89<br />

3 to 4 .0005 .0005 .0006 .0009 14.32<br />

4 to 5 .0006 .0007 .0011 .0010 13.76<br />

5 to 6 .0010 .0007 .0015 .0016 11.11<br />

6 to 7 .0011 .0013 .0018 .0019 9.59<br />

7 to 8 .0017 .0016 .0028 .0027 8.25<br />

8 to 9 .0025 .0022 .0031 .0036 7.07<br />

9 to 10 .0034 .0032 .0056 .0043 6.08<br />

10 to 11 .0047 .0042 .0068 .0070 5.19<br />

11 to 12 .0073 .0061 .0097 .0092 4.28<br />

12 to 13 .0153 .0136 .0191 .0171 3.12<br />

13 to 14 4.7 .0493 .0393 .0605 .0490 1.93<br />

14 to 15 32.9 .1474 .1022 .1882 .1392 1.22<br />

15 to 16 31.6 .1471 .1024 .1855 .1398 1.21<br />

16 to 17 18.8 .1004 .0680 .1249 .0943 1.44<br />

17 to 18 10.2 .0614 .0417 .0761 .0572 1.82<br />

18 to 19 1.8 .0234 .0179 .0296 .0267 2.65<br />

19 to 20 .0102 .0094 .0144 .0132 3.59<br />

20 to 21 .0063 .0066 .0098 .0092 4.36<br />

21 to 22 .0045 .0047 .0065 .0071 5.10<br />

22 to 23 .0034 .0035 .0052 .0048 5.76<br />

23 to 24 .0025 .0025 .0040 .0040 6.56<br />

24 to 25 .0019 .0017 .0030 .0031 7.64<br />

25 to 26 .0012 .0016 .0026 .0021 8.87<br />

26 to 27 .0010 .0011 .0016 .0019 10.24<br />

27 to 28 .0008 .0007 .0012 .0009 12.67<br />

28 to 29 .0007 .0005 .0009 .0011 13.53<br />

29 to 30 .0003 .0005 .0005 .0009 16.43<br />

30 to 31 .0002 .0003 .0005 .0005 16.49<br />

31 to 32 .0002 .0003 .0004 .0003 15.92<br />

32 to 33 .0001 .0002 .0003 .0002 18.51<br />

33 to 34 .0001 * .0002 .0001 14.50

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