Table 5.
Average measured HU for water: methanol (W:M) mixtures, at different diameters and acquisition orbits
| Composition | Phantom Diameter (cm) | AZOR (HU) | Saddle (HU) |
|---|---|---|---|
| 100:0 (W:M) | 15 | 9 | −4 |
| 12.5 | 2 | −1 | |
| 10 | 1 | 0 | |
| 75:25 (W:M) | 15 | −39 | −38 |
| 12.5 | −32 | −29 | |
| 10 | −35 | −35 | |
| 50:50 (W:M) | 15 | −98 | −91 |
| 12.5 | −85 | −82 | |
| 10 | −90 | −91 | |
| 100:0 (G:A) | 10–18 | 46 | – |
| 50:50 (G:A) | 10–18 | −35 | – |
| 0:100 (G:A) | 10–18 | −94 | – |
Average measured HU for glandular: adipose (G:A) breast tissue compositions, measured by Yang et al [27] are also reported here for comparison.