Table 1.
Diffusion parameters and enhancement ratios measured in all HCC lesions (including partially/completely necrotic and solid HCCs) and solid HCCs vs. background liver parenchyma.
| All HCCs (n = 79) | Liver parenchyma (n = 46) | p* | |
|---|---|---|---|
| D | 1.128 ± 0.244 | 1.014 ± 0.177 | <0.0001 |
| D* | 41.942 ± 47.616 | 45.959 ± 39.932 | 0.64 |
| PF | 21.205 ± 10.718 | 14.353 ± 6.004 | <0.0001 |
| ADC | 1.377 ± 0.280 | 1.152 ± 0.155 | <0.0001 |
| ER AP | 47.50 ± 41.33 | 32.97 ± 18.18 | 0.012 |
| ER PVP | 47.56 ± 39.44 | 58.89 ± 19.21 | 0.03 |
| ER LVP | 41.06 ± 33.45 | 52.36 ± 16.29 | 0.007 |
| Solid HCCs (n = 39) | Liver parenchyma (n = 39) | p* | |
|---|---|---|---|
| D | 1.047 ± 0.215 | 0.981 ± 0.161 | 0.14 |
| D* | 52.532 ± 58.900 | 36.615 ± 30.810 | <0.0001 |
| PF | 24.554 ± 11.356 | 17.297 ± 6.711 | <0.0001 |
| ADC | 1.299 ± 0.240 | 1.141 ± 0.164 | <0.0001 |
| ER AP | 69.75 ± 39.97 | 31.81 ± 16.47 | <0.0001 |
| ER PVP | 69.09 ± 34.25 | 59.64 ± 16.97 | 0.04 |
| ER LVP | 56.13 ± 28.72 | 53.43 ± 13.88 | 0.74 |
D, true diffusion coefficient (×10−3 mm2/s), D*, pseudodiffusion coefficient (×10−3 mm2/s), PF, perfusion fraction (%), ADC, apparent diffusion coefficient, ER, enhancement ratio (%), AP, arterial phase, PVP, portal venous phase, LVP, late venous phase.
Significant p-values are bolded.
*
Wilcoxon signed-rank test.