Table 3.
3.0 T NMR measured properties of the phantom components at 20 °C
| Material components | T1 relaxation time (ms) | T2 relaxation time (ms) | |
|---|---|---|---|
| Fibroglandular tissue mimic a | 35% Corn syrup w/w in water | 1230 ± 34.6 | 47.3 ± 0.9 |
| Adipose tissue T1 and spectral shift mimic a | Grapeseed oil | 297 ± 6.3 | 32.5 ± 1.1 |
| Diffusion mimics b Benign lesion |
10% PVP w/w in water | 2300 ± 5.2 | 1953.1 ± 0.9 |
| Malignant lesion | 14% PVP | 2010 ± 3.8 | 1692 ± 1.3 |
| Malignant mass | 18% PVP | 1770 ± 3.4 | 1479.3 ± 0.9 |
| 25% PVP | 1200 ± 3.4 | 1017.3 ± 0.8 | |
| 40% PVP | 714 ± 1.7 | 584.8 ± 0.2 |
a
T2 measurements made using spin-echo technique; details in the Methods section.
b
T2 measurements made using CPMG technique; details in the Methods section.