Table 3. Imaging findings on first MRI after DEB-TACE and viable tumor per-lesion evaluated on last CT.
| Images | No viable tumor | Viable tumor | P value |
|---|---|---|---|
| Arterial enhancement | <0.001* | ||
| None/rim shape | 4/11 | 3/12 | |
| Peripheral nodular/solid | 1/0 | 20/9 | |
| Washout | <0.001* | ||
| Yes | 0 | 24 | |
| No | 16 | 20 | |
| AP shunt | 0.437 | ||
| Yes | 9 | 24 | |
| No | 7 | 20 | |
| Signal intensity on T2 | 0.999 | ||
| Hyper | 2 | 5 | |
| Iso/Hypo | 13/1 | 35/4 | |
| Intratumoral septa | 0.486 | ||
| None | 14 | 34 | |
| <2 mm/ ≥2 mm | 2/0 | 3/7 | |
| Enhancing tissue on subtraction image | <0.001* | ||
| Yes | 0 | 34 | |
| No | 16 | 10 | |
| Total | 16 | 44 |
*P value is statistically significant. DEB, drug-eluting bead; TACE, transarterial chemoembolization; HCC hepatocellular carcinoma; AP, arterioportal; T2WI, T2-weighted image.