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©2013 Baishideng Publishing Group Co.
World J Hepatol. Aug 27, 2013; 5(8): 417-424
Published online Aug 27, 2013. doi: 10.4254/wjh.v5.i8.417
Figure 4
Figure 4 Perfusion alteration after radiofrequency ablation for hepatocellular carcinoma. A: Arterial phase computed tomography (CT) obtained 1 mo after treatment shows ablated zone (dotted arrow) and a semilunar enhancing area (solid arrow) medial and anterior to ablated zone; B: Delayed phase CT shows persistent enhancement of the semilunar area (solid arrow), suggesting that the arterial enhancement is due to perfusion alteration rather than residual tumor.


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