Loco-regional treatment of hepatocellular carcinoma: Role of contrast-enhanced ultrasonography

Figure 2 Intrazonal recurrence after radiofrequency ablation in a 79-year-old woman with hepatitis C virus-related cirrhosis. A: Gray-scale ultrasound image achieved 1 yr after ablation shows a heterogeneous hyperechoic nodule (circle); B: Contrast enhanced ultrasound (CEUS) imaging achieved 15 s after injection shows a nodular token of arterial phase hyperenhancement (white arrow); C: CEUS image obtained at 2 min shows a wash-out. The patient underwent a new radiofrequency ablation in the same session. Simultaneously CEUS shows small hemangioma in the same segment (white arrow).