Table B.25: Red bone marrow in the whole body - Helmholtz ...
Table B.25: Red bone marrow in the whole body - Helmholtz ...
Table B.25: Red bone marrow in the whole body - Helmholtz ...
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122<br />
<strong>Table</strong> D.16: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> cranium<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 5.4 .0247 .0244 .0327 .0327 0.46<br />
1 to 2 9.9 .0400 .0401 .0547 .0550 0.35<br />
2 to 3 8.1 .0372 .0385 .0501 .0516 0.35<br />
3 to 4 6.8 .0334 .0353 .0447 .0472 0.37<br />
4 to 5 5.2 .0276 .0298 .0373 .0399 0.39<br />
5 to 6 4.1 .0233 .0243 .0317 .0329 0.42<br />
6 to 7 3.5 .0212 .0218 .0289 .0298 0.44<br />
7 to 8 2.8 .0186 .0192 .0257 .0267 0.46<br />
8 to 9 2.5 .0181 .0194 .0254 .0268 0.46<br />
9 to 10 4.4 .0243 .0272 .0336 .0371 0.40<br />
10 to 11 6.8 .0302 .0350 .0421 .0483 0.37<br />
11 to 12 6.9 .0289 .0307 .0410 .0433 0.38<br />
12 to 13 13.2 .0387 .0373 .0557 .0545 0.35<br />
13 to 14 10.7 .0348 .0323 .0499 .0470 0.37<br />
14 to 15 6.2 .0238 .0254 .0343 .0363 0.42<br />
15 to 16 2.8 .0131 .0151 .0196 .0219 0.54<br />
16 to 17 0.5 .0062 .0070 .0096 .0106 0.73<br />
17 to 18 0.2 .0038 .0042 .0060 .0066 0.92<br />
18 to 19 .0021 .0021 .0034 .0035 1.21<br />
19 to 20 .0015 .0015 .0025 .0025 1.42<br />
20 to 21 .0014 .0014 .0023 .0023 1.48<br />
21 to 22 .0011 .0011 .0017 .0017 1.12<br />
22 to 23 .0010 .0010 .0016 .0017 1.73<br />
23 to 24 .0008 .0009 .0014 .0015 1.88<br />
24 to 25 .0006 .0007 .0011 .0012 2.10<br />
25 to 26 .0005 .0006 .0009 .0010 2.33<br />
26 to 27 .0004 .0005 .0007 .0008 2.58<br />
27 to 28 .0003 .0004 .0006 .0006 2.92<br />
28 to 29 .0003 .0003 .0005 .0005 3.15<br />
29 to 30 .0002 .0002 .0004 .0004 3.59<br />
30 to 31 .0002 .0002 .0003 .0004 3.95<br />
31 to 32 .0001 .0001 .0003 .0003 4.36<br />
32 to 33 .0001 .0001 .0002 .0002 4.77<br />
33 to 34 .0001 .0001 .0002 .0002 5.04