Table 1.
Characteristics on US between HAE and ICC
| Imaging Features on US | Total(n = 120) | P* | |
|---|---|---|---|
| HAE (n = 60) |
ICC (n = 60) |
||
| Conventional US | |||
| Location | 0.002 | ||
| Right lobe | 50 (83.3) | 33 (55.0) | |
| Left lobe | 10 (16.7) | 27 (45.0) | |
| Lesion size | 0.851 | ||
| ≤ 5.0 cm | 22 (36.7) | 24 (40.0) | |
| > 5.0 cm | 38 (63.3) | 36 (60.0) | |
| Echogenicity | 0.000 | ||
| Hyper or Iso | 10 (16.7) | 7 (11.6) | |
| Mixed | 43 (71.7) | 19 (31.7) | |
| Hypo | 7 (11.6) | 34 (56.7) | |
| Margin | 1.000 | ||
| Clear | 28 (46.7) | 28 (46.7) | |
| Unclear | 32 (53.3) | 32 (53.3) | |
| Bile duct dilatation | 2 (3.3) | 21 (35.0) | 0.000 |
| Pseudocystic appearance | 14 (23.3) | 1 (1.7) | 0.000 |
| Calcification | 29 (48.3) | 0 (0) | 0.000 |
| CEUS | |||
| Arterial phase | 0.008 | ||
| Hyper- | 39 (65.0) | 50 (83.3) | |
| Iso- | 10 (16.7) | 9 (15.0) | |
| Hypo- or Non- | 11 (18.3) | 1 (1.7) | |
| Enhancement pattern | 0.000 | ||
| Regular rim | 53 (88.3) | 6 (10.0) | |
| Irregular rim | 6 (10.0) | 29 (48.4) | |
| Heterogeneous | 1 (1.7) | 14 (23.3) | |
| Homogeneous | 0 (0) | 11 (18.3) | |
| Portal phase | 0.000 | ||
| Hyper- | 1 (1.7) | 0 (0) | |
| Iso- | 19 (31.6) | 1 (1.7) | |
| Hypo- or Non- | 40 (66.7) | 59 (98.3) | |
| Late phase | 0.000 | ||
| Hyper- | 1 (1.7) | 0 (0) | |
| Iso- | 16 (26.6) | 1 (1.7) | |
| Hypo- or Non- | 43 (71.7) | 59 (98.3) | |
| Enhancement duration# | 201.7 ± 146.4 | 33.5 ± 59.5 | 0.000 |
| Marked wash-out | 15 (25.0) | 44 (73.3) | 0.000 |
Note.---Unless otherwise indicated, data are number of nodules, with percentages in parentheses
*Statistical analysis using χ2 or Fisher’s exact test demonstrate differences between HAE and ICC
# Data are means± standard deviations
HAE Hepatic alveolar echinococcosis; ICC Intrahepatic cholangiocarcinoma; US Ultrasound; CEUS Contrast enhanced ultrasound