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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129<br />
<strong>Table</strong> D.20: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> ribs<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 15.34<br />
4 to 5 * * .0001 .0001 13.90<br />
5 to 6 * * .0001 .0001 11.45<br />
6 to 7 * * .0001 .0001 10.53<br />
7 to 8 .0001 .0001 .0002 .0002 8.92<br />
8 to 9 .0001 .0001 .0002 .0002 8.02<br />
9 to 10 .0001 .0001 .0003 .0002 7.39<br />
10 to 11 .0002 .0002 .0004 .0003 6.61<br />
11 to 12 .0002 .0002 .0005 .0004 5.85<br />
12 to 13 .0003 .0002 .0005 .0005 5.24<br />
13 to 14 .0003 .0003 .0006 .0006 4.84<br />
14 to 15 .0004 .0003 .0007 .0006 4.52<br />
15 to 16 .0005 .0004 .0009 .0008 4.01<br />
16 to 17 .0006 .0006 .0011 .0010 3.64<br />
17 to 18 .0008 .0007 .0013 .0012 3.23<br />
18 to 19 .0011 .0011 .0017 .0018 2.80<br />
19 to 20 .0019 .0017 .0029 .0027 2.17<br />
20 to 21 0.5 .0040 .0038 .0059 .0054 1.60<br />
21 to 22 2.4 .0070 .0061 .0099 .0090 0.87<br />
22 to 23 2.3 .0102 .0085 .0154 .0130 1.09<br />
23 to 24 8.0 .0157 .0119 .0228 .0177 0.93<br />
24 to 25 3.7 .0158 .0116 .0226 .0177 0.92<br />
25 to 26 5.8 .0204 .0146 .0295 .0216 0.83<br />
26 to 27 4.9 .0204 .0150 .0292 .0222 0.82<br />
27 to 28 6.2 .0245 .0173 .0345 .0262 0.76<br />
28 to 29 6.1 .0261 .0198 .0357 .0285 0.73<br />
29 to 30 7.3 .0290 .0223 .0408 .0323 0.69<br />
30 to 31 7.2 .0314 .0251 .0425 .0350 0.66<br />
31 to 32 6.8 .0307 .0252 .0416 .0351 0.67<br />
32 to 33 6.6 .0292 .0244 .0402 .0342 0.67<br />
33 to 34 6.6 .0299 .0264 .0406 .0360 0.66<br />
34 to 35 6.6 .0295 .0262 .0397 .0359 0.67<br />
35 to 36 6.0 .0270 .0232 .0367 .0312 0.70<br />
36 to 37 4.4 .0220 .0192 .0292 .0262 0.77