 Contrast enhanced ultrasound CEUS using second generation contrast agents is a relatively new imaging modality that allows the characterization of FLL and allows a positive diagnosis based on the vascular pattern of the lesion. The advantages of this method are the low cost as compared with other imaging modalities and the fact that it can be performed immediately after standard abdominal ultrasound, so approximately 5 minutes after CEUS the total duration of this investigation a confident diagnosis can be obtained. 