2006•American Journal of RoentgenologyRequires access

Imaging Features of Hepatocellular Carcinoma After Transcatheter Arterial Chemoembolization and Radiofrequency Ablation

Hyo Soon Lim, Yong Yeon Jeong, Heoung Keun Kang, Jae Kyu Kim, Jin Gyoon Park

Abstract

OBJECTIVE: The purpose of this pictorial essay is to show the imaging features of hepatocellular carcinoma (HCC) after transcatheter arterial chemoembolization (TACE) and radiofrequency thermal ablation on CT, MRI, and contrast-enhanced sonography and to describe the advantages and limitations of each imaging technique in evaluating the therapeutic effect on HCC. CONCLUSION: CT is the standard imaging technique for monitoring the effectiveness of TACE and radiofrequency ablation. Contrast-enhanced sonography and MRI can complement CT in evaluating the therapeutic response.

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Key concepts: Medicine, Hepatocellular carcinoma, Radiofrequency ablation, Transcatheter arterial chemoembolization, Radiology, Ablation, Internal medicine