Table 1 Phantom Ho quantification
From: Feasibility of CT quantification of intratumoural 166Ho-microspheres
Ho microspheres (18.7%) in agar | Ho microspheres (17.6%) in agar | Ho chloride (43.47%) in water | |||
|---|---|---|---|---|---|
Ho | HU | Ho | HU | Ho | HU |
mg/mL | Mean ± SD | mg/mL | Mean ± SD | mg/mL | Mean ± SD |
0.00 | -2.6 ± 8.0 | 0.00 | 10.1 ± 7.5 | 0.00 | 1.9 ± 6.6 |
0.16 | -0.7 ± 9.9 | 0.14 | 12.5 ± 7.1 | 0.13 | 3.4 ± 6.5 |
0.25 | 2.2 ± 6.9 | 0.26 | 15.3 ± 6.1 | 0.25 | 9.5 ± 5.8 |
0.53 | 20.8 ± 6.8 | 0.52 | 20.9 ± 7.6 | 0.50 | 18.4 ± 7.1 |
1.00 | 37.3 ± 7.1 | 1.05 | 30.3 ± 8.8 | 1.00 | 34.1 ± 6.9 |
2.00 | 65.9 ± 7.1 | 2.10 | 79.9 ± 7.2 | 2.00 | 72.2 ± 6.3 |
4.02 | 148.2 ± 8.2 | 4.19 | 158.4 ± 8.1 | 4.00 | 145.7 ± 6.9 |
5.99 | 215.3 ± 13.4 | 6.28 | 239.7 ± 9.5 | 6.01 | 223.4 ± 7.2 |
8.01 | 283.9 ± 16.8 | 8.37 | 321.4 ± 9.4 | 8.01 | 301.1 ± 8.2 |
9.99 | 372.4 ± 14.1 | 10.47 | 383.1 ± 14.8 | 10.01 | 370.0 ± 10.5 |