2.
CEUS perfusion characteristics of ICC and inflammatory lesions
| Variables | ICC (N=25) | Inflammatory lesions (N=15) | P |
| CEUS, contrast-enhanced ultrasonography; ICC, intrahepatic cholangiocarcinoma; *, P value for comparison of definite diagnosis/could not be diagnosed definitely/misdiagnosis between ICC and inflammatory lesions. | |||
| Arterial phase | |||
| Peripheral rim-like hyper-enhancement | 12 | 2 | 0.040 |
| Flaky heterogeneous hyper-enhancement | 12 | 13 | |
| Homogeneous hyper-enhancement | 1 | ||
| Portal venous phase (hyper-/homo-/hypo-enhancement) | 0/5/20 | 2/9/4 | 0.001 |
| Late phase (hyper-/homo-/hypo-enhancement) | 0/1/24 | 1/4/10 | 0.021 |
Size of lesion (
 ±s, cm)
|
4.9±2.0 | 3.1±2.6 | 0.019 |
| Definite diagnosis | 20 | 11 | 0.842* |
| Could not be diagnosed definitely | 2 | 1 | |
| Misdiagnosis | 3 | 3 | |