4Pompili M,Riccardi L,Covino M,et al.Contrast-enhanced grayscale harmonic ultrasound in the efficacy assessment of ablation treatments for hepatocellular carcinoma[J].Liver Int,2005,25(5):954-961.
5Solbiati L,Livrachi T,Goldberg S N,et al.Percutaneous radiofrequency ablation of hepatic metastases from colorectal cancer:longterm results in 117 patients[J].Radiology,2001,221 (1):159-166.
6Harvey C J,Pilcher J M,Eckersley R J,et al.Advances in ultrasound[J].Clin Radio,2002,57(3):157-177.
7Maruyama H,Matsutani S,Saisho H,et al.Real-time blood-pool images of contrast enhanced ultrasound with Definity in the detection of tumour nodules in the liver[J].Bri J Radio,2005,78(930):512-518.
8Clarisse D,Thierry B,Dominique E,et al.Hepatic tumors treated with percutaneous radio-frequency ablation:CT and MR imaging follow-up[J].Radiology,2002,223(1):255-262.
9Dietrich CF. Comments and illustrations regarding the guidelines and good clinical practice recommendations for contrast'- enhanced ultrasound ( CEUS ) - update 2008 [ J ]. Ultraschall Med, 2008, 29 (Suppl4): S188-202.
10Kim TK, Lee KH, Khalili K, et al. Hepatocellular nodules in liver cirrhosis: contrast - enhanced ultrasound [ J ]. Abdom Imaging, 2011, 36 (4): 244 - 263.