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《Chinese Journal of Interventional Imaging and Therapy》 2015-01
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Assessment of short-term efficacy of multiple electrodes cooltip radiofrequency ablation for small hepatocellular carcinoma by contrast-enhanced ultrasonography

ZHANG Xi-jun;WANG Qi;YUAN Jian-jun;YANG Long;Department of Ultrasound,the People's Hospital of Zhengzhou University,Henan Provincial People's Hospital;  
Objective To explore the clinical value of CEUS in detecting small hepatocellular carcinoma deactivation after multiple electrodes cooltip radiofrequency ablation(RFA)treatment.Methods Forty-nine patients with small hepatocellular carcinoma(sixty-three lesions)underwent sonography,CEUS and enhanced CT before and after RFA treatment.The rate of first coagulation and residual were evaluated.Results Before RFA,the diameter of the lesions on CEUS was larger than that on conventional ultrasound([2.47±0.53]cm vs[2.12±0.57]cm,t=-4.907,P0.05),as well as the area of the lesions([6.50±1.26]cm2 vs[5.43±1.06]cm2,t=-6.867,P0.05).The detection rates was not significantly different between CEUS and enhanced CT in diagnosing the small hepatocellular(χ2=0.25,P0.05).After RFA,there was no significant difference between CEUS and enhanced CT in evaluating therapeutic effect on coagulation and residual(χ2=0.50,P0.05).Conclusion CEUS can be used to evaluate the clinical efficacy of RFA treatment in patients with small hepatocellular carcinoma.
【CateGory Index】: R445.1;R735.7;R730.44
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