Table 1 Densities for the inserts of the CIRS phantom
Description | Physical density (g\(/{cm}^3\) ) | Electron density (10\(^{23}\) e\(^-/{cm}^3\)) |
|---|---|---|
Lung (Inhale) | 0.205 | 0.668 |
Lung (Exhale) | 0.507 | 1.658 |
Breast (50% Gland/50% Adipose) | 0.99 | 3.261 |
Trabecular bone (200 mg/cc HA) | 1.16 | 3.730 |
Liver | 1.07 | 3.516 |
Muscle | 1.06 | 3.483 |
Adipose | 0.96 | 3.171 |
Dense bone (800 mg/cc HA) | 1.53 | 4.862 |
Dense bone (1250 mg/cc HA) | 1.82 | 5.663 |
Water–liquid | 1.00 | 3.340 |