Table 2.
Conventional ultrasound and contrast-enhanced ultrasound characteristics of primary hepatic angiosarcoma [number of cases (%)]
| Characteristic manifestation | Number of cases |
|---|---|
| Tumor echo | |
| Hyperechoic | 3 (42.8) |
| Hypoechoic | 4 (57.2) |
| Isoechoic | 0 (0) |
| Tumor boundary | |
| Clear | 5 (71.4) |
| Unclear | 2 (28.6) |
| Uniformity of tumor echo | |
| Even | 0 (0) |
| Uneven | 7 (100) |
| CDFI blood flow signal grading | |
| Level 0 | 3 (42.8) |
| Level 1 | 3 (42.8) |
| Level 2 | 0 (0) |
| Level 3 | 1 (14.4) |
| Enhanced Mode | |
| Annular | 3 (100) |
| Whole | 0 (0) |
| Enhanced phase | |
| Faster than liver parenchyma | 3 (100) |
| Synchronous liver parenchyma | 0 (0) |
| Peak intensity | |
| Above liver parenchyma | 2 (66.7) |
| Equal to liver parenchyma | 1 (33.3) |
| Below liver parenchyma | 0 (0) |
CDFI Color doplor flow image