Table 1.
List of DEQC phantom insert types
| Insert | Compound | HU at 120 kVp | Electron density | Effective Za | Biology modeled |
|---|---|---|---|---|---|
| Blood | Fe2O3 | 40 | 1.033 | 6.392 | Blood |
| Blood | Fe2O3 | 70 | 1.068 | 6.350 | Clot (Normal) |
| Blood | Fe2O3 | 100 | 1.102 | 6.309 | Clot (Extreme) |
| Calcium | CaCO3 | 198 | 1.128 | 6.757 | Calcification |
| Calcium | CaCO3 | 334 | 1.191 | 7.380 | Bone |
| Iodine 2 mg/mL | C6H5I | 51 | 1.002 | 6.306 | NA |
| Iodine 5 mg/mL | C6H5I | 128 | 1.003 | 6.441 | NA |
| Iodine 15 mg/mL | C6H5I | 356 | 1.008 | 6.891 | NA |
| Iodine enhancement | Fe2O3 + C6H5I | 40 + 50 | 1.034 | 6.478 | Typical enhancement threshold for neuro studies |
| Iodine enhancement | Fe2O3 + C6H5I | 40 + 100 | 1.035 | 6.568 | Typical enhancement threshold for thoracic studies |
| Soft tissue | NA | 35 | 1.029 | 6.305 | Soft tissue |
| Adipose | NA | −100 | 0.944 | 5.985 | Adipose |
| Brain | NA | 15 | 1.022 | 6.423 | Brain |
a
Effective Z calculation based on elemental composition of each material as provided by Gammex.