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

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112<br />

<strong>Table</strong> D.11: Oesophagus<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 0.39<br />

2 to 3 .0001 * .0001 .0001 0.43<br />

3 to 4 .0001 * .0001 .0001 0.44<br />

4 to 5 .0001 .0001 .0002 .0003 0.47<br />

5 to 6 .0001 .0001 .0003 .0002 0.51<br />

6 to 7 .0002 .0002 .0003 .0004 0.64<br />

7 to 8 .0002 .0002 .0004 .0006 0.75<br />

8 to 9 .0003 .0003 .0006 .0006 0.88<br />

9 to 10 .0003 .0002 .0008 .0008 1.04<br />

10 to 11 .0006 .0005 .0012 .0010 1.22<br />

11 to 12 .0007 .0005 .0010 .0014 1.37<br />

12 to 13 .0008 .0008 .0016 .0019 1.49<br />

13 to 14 .0014 .0012 .0019 .0023 1.59<br />

14 to 15 .0017 .0017 .0024 .0028 1.65<br />

15 to 16 .0023 .0020 .0035 .0030 1.66<br />

16 to 17 .0030 .0030 .0048 .0046 1.62<br />

17 to 18 .0047 .0040 .0062 .0060 1.57<br />

18 to 19 .0067 .0060 .0087 .0083 1.51<br />

19 to 20 .0104 .0100 .0135 .0135 1.44<br />

20 to 21 .0158 .0166 .0189 .0219 1.33<br />

21 to 22 3.8 .0283 .0372 .0348 .0424 1.16<br />

22 to 23 9.6 .0489 .0618 .0584 .0728 1.01<br />

23 to 24 9.6 .0458 .0567 .0581 .0708 0.90<br />

24 to 25 9.6 .0478 .0541 .0614 .0709 0.80<br />

25 to 26 9.6 .0459 .0553 .0603 .0722 0.75<br />

26 to 27 9.6 .0473 .0556 .0624 .0708 0.73<br />

27 to 28 9.6 .0469 .0547 .0617 .0708 0.76<br />

28 to 29 9.6 .0456 .0519 .0620 .0678 0.77<br />

29 to 30 9.6 .0432 .0497 .0577 .0647 0.82<br />

30 to 31 9.6 .0434 .0456 .0569 .0595 0.89<br />

31 to 32 9.6 .0401 .0405 .0518 .0538 0.98<br />

32 to 33 .0180 .0195 .0238 .0260 1.12<br />

33 to 34 .0139 .0141 .0192 .0197 1.26<br />

34 to 35 .0106 .0112 .0155 .0146 1.39

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