From: The impact of dual energy CT imaging on dose calculations for pre-clinical studies
Calibration phantom | Validation phantom | ||||||
---|---|---|---|---|---|---|---|
Material | Mean HU ± σ | Insert | Material | Mean HU ± σ | Insert | ||
50 kVp | 90 kVp | N° | 50 kVp | 90 kVp | N° | ||
Air | −1000 ± 19 | −1000 ± 13 | 7 | Air | −1000 ± 17 | −1000 ± 13 | 4, 9, 10 |
AP6 | −248 ± 17 | −173 ± 16 | 1 | Paraffin | −281 ± 13 | −178 ± 11 | 6 |
BR12 | −171 ± 19 | −115 ± 16 | 6 | Adipose | −226 ± 16 | −147 ± 13 | 11 |
SR2 | −147 ± 18 | −64 ± 15 | 4 | BR12 | −146 ± 16 | −106 ± 13 | 1 |
Solid Water | −2 ± 22 | −7 ± 20 | 2 | PMMA | −73 ± 12 | 10 ± 11 | 5 |
Water | 0 ± 22 | 0 ± 17 | 8 | Water | −36 ± 15 | −15 ± 12 | 7 |
LV1 | 69 ± 23 | 68 ± 20 | 10 | Lucite | −31 ± 13 | 46 ± 12 | 3 |
IB3 | 729 ± 54 | 456 ± 38 | 3 | Muscle | 2 ± 14 | 25 ± 12 | 8 |
B200 | 768 ± 38 | 482 ± 31 | 9 | Bone | 2230 ± 29 | 1508 ± 22 | 12 |
CB2–30% | 1297 ± 22 | 857 ± 16 | 5 | ||||
CB2–50% | 2483 ± 28 | 1632 ± 16 | 12 | ||||
SB3 | 3723 ± 25 | 2448 ± 17 | 11 |