Table 1.
Criteria Used to Diagnose Each Lesion Type
| Liver lesion | Criteria |
|---|---|
| Focal fatty sparing | Localization |
| Adjacent to the porta hepatis (segment IV) | |
| Gallbladder fossa | |
| Adjacent to the falciform ligament | |
| B-mode presentation | |
| Fatty liver | |
| Hypoechoic lesion | |
| Sharp edge | |
| Hemangioma | Hyperechoic |
| Sharp edge | |
| Round or oval form | |
| No blood flow in Doppler and Power Doppler-Mode | |
| Cyst | Echo empty |
| Posterior acoustic enhancement | |
| Border shadow sign | |
| Hyperechoic outlet echo | |
| FNH | Spoke-wheel distribution in Doppler and Power-Doppler |
| Central feeding arterial vessel | |
| Inhomogeneous | |
| Adenoma | Hypoechoic/isoechoic |
| Difficult to define |