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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166<br />
<strong>Table</strong> E. 1: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> arm <strong>bone</strong>s<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 />
2 to 3 * * .0001 * 13.10<br />
3 to 4 * * .0001 .0001 10.68<br />
4 to 5 * .0001 .0001 .0001 9.07<br />
5 to 6 .0001 .0001 .0001 .0001 8.03<br />
6 to 7 .0001 .0001 .0002 .0002 6.93<br />
7 to 8 .0001 .0001 .0002 .0002 6.18<br />
8 to 9 .0001 .0001 .0003 .0002 5.54<br />
9 to 10 .0002 .0001 .0003 .0003 5.05<br />
10 to 11 .0002 .0002 .0003 .0003 4.69<br />
11 to 12 .0002 .0002 .0004 .0004 4.42<br />
12 to 13 .0003 .0003 .0004 .0004 4.15<br />
13 to 14 .0003 .0003 .0005 .0005 3.86<br />
14 to 15 .0003 .0003 .0006 .0006 3.64<br />
15 to 16 .0004 .0004 .0006 .0006 3.55<br />
16 to 17 .0004 .0004 .0006 .0006 3.44<br />
17 to 18 .0004 .0004 .0007 .0007 3.39<br />
18 to 19 .0004 .0004 .0007 .0007 3.35<br />
19 to 20 .0005 .0005 .0008 .0008 3.03<br />
20 to 21 0.2 .0030 .0036 .0040 .0048 1.33<br />
21 to 22 3.1 .0088 .0118 .0115 .0153 0.55<br />
22 to 23 7.9 .0262 .0324 .0351 .0421 0.50<br />
23 to 24 7.8 .0240 .0286 .0323 .0375 0.52<br />
24 to 25 4.0 .0148 .0171 .0201 .0229 0.65<br />
25 to 26 1.9 .0088 .0100 .0124 .0134 0.80<br />
26 to 27 1.3 .0065 .0072 .0093 .0101 0.91<br />
27 to 28 1.2 .0059 .0064 .0083 .0090 0.97<br />
28 to 29 1.2 .0055 .0058 .0079 .0082 1.00<br />
29 to 30 1.2 .0053 .0055 .0074 .0076 1.03<br />
30 to 31 1.2 .0051 .0051 .0072 .0072 1.06<br />
31 to 32 1.2 .0051 .0050 .0072 .0071 1.06<br />
32 to 33 1.2 .0052 .0048 .0073 .0069 1.07<br />
33 to 34 1.2 .0052 .0047 .0072 .0068 1.07<br />
34 to 35 1.3 .0055 .0048 .0077 .0068 1.06<br />
35 to 36 1.6 .0066 .0055 .0091 .0077 0.99