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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135<br />
<strong>Table</strong> D.23: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> thoracic sp<strong>in</strong>e<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 13.97<br />
4 to 5 * * .0001 .0001 11.94<br />
5 to 6 * .0001 .0001 .0001 11.22<br />
6 to 7 .0001 .0001 .0002 .0001 9.79<br />
7 to 8 .0001 .0001 .0002 .0002 8.60<br />
8 to 9 .0001 .0001 .0003 .0002 7.67<br />
9 to 10 .0002 .0002 .0004 .0003 6.77<br />
10 to 11 .0002 .0002 .0005 .0004 5.91<br />
11 to 12 .0003 .0002 .0006 .0005 5.22<br />
12 to 13 .0004 .0003 .0007 .0006 4.66<br />
13 to 14 .0005 .0004 .0009 .0008 4.13<br />
14 to 15 .0007 .0005 .0012 .0011 3.72<br />
15 to 16 .0008 .0007 .0015 .0014 3.29<br />
16 to 17 .0012 .0011 .0020 .0018 2.81<br />
17 to 18 .0019 .0016 .0029 .0026 2.34<br />
18 to 19 .0029 .0025 .0046 .0039 1.87<br />
19 to 20 .0058 .0050 .0085 .0074 1.38<br />
20 to 21 5.3 .0193 .0185 .0266 .0260 0.84<br />
21 to 22 4.5 .0168 .0162 .0243 .0230 0.60<br />
22 to 23 4.9 .0174 .0157 .0254 .0231 0.89<br />
23 to 24 2.2 .0170 .0136 .0249 .0215 0.91<br />
24 to 25 4.3 .0162 .0126 .0241 .0195 0.93<br />
25 to 26 4.7 .0168 .0122 .0252 .0191 0.93<br />
26 to 27 4.5 .0168 .0120 .0252 .0188 0.93<br />
27 to 28 4.3 .0170 .0121 .0251 .0189 0.92<br />
28 to 29 4.7 .0178 .0120 .0262 .0190 0.91<br />
29 to 30 4.7 .0176 .0117 .0260 .0184 0.92<br />
30 to 31 3.0 .0157 .0103 .0232 .0165 0.95<br />
31 to 32 4.8 .0186 .0122 .0276 .0192 0.90<br />
32 to 33 4.3 .0175 .0109 .0264 .0176 0.93<br />
33 to 34 5.7 .0194 .0112 .0289 .0186 0.92<br />
34 to 35 5.9 .0196 .0110 .0289 .0182 0.93<br />
35 to 36 6.7 .0203 .0112 .0304 .0184 0.92<br />
36 to 37 6.3 .0196 .0107 .0290 .0173 0.94