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Table 2 The enhancement patterns of combined hepatocellular-cholangiocarcinoma on CEUS in 45 patients
| Enhancement appearance | Number % |
|---|---|
| Arterial phase | |
| Peripheral hyperenhancement | 9 (20.0) |
| Heterogeneous hyperenhancemen | 22 (48.9) |
| Homogeneous hyperenhancement | 13 (28.9) |
| Hypoenhancement | 1 (0.2) |
| Isoenhancement | 0 (0) |
| Portal phase | |
| Peripheral hyperenhancement | |
| Heterogeneous hyperenhancement | 1 (0.2) |
| Homogeneous hyperenhancement | 0 (0) |
| Slight hypoenhancement | 17 (37.8) |
| Marked hypoenhancement | 25 (55.6) |
| Isoenhancement | 2 (0.4) |
| Delayed phase | |
| Peripheral hyperenhancement | |
| Heterogeneous hyperenhancement | 1 (0.2) |
| Homogeneous hyperenhancement | |
| Slight hypoenhancement | 8 (17.8) |
| Marked hypoenhancement | 35 (77.8) |
| Isoenhancement | 1 (0.2) |
| Emergence of-washout | |
| < 60 seconds | 28 (62.2) |
| 60–120 seconds | 13 (28.9) |
| > 120 seconds | 2 (4.4) |
| No washout | 2 (4.4) |
