Acoustic radiation force impulse elastography for hepatocellular carcinoma-associated radiofrequency ablation

查看全文 作　　者：Hee-Jin [1]Kwon;Myong-Jin [1]Kang;Jin-Han [1]Cho;Jong-Young [1]Oh;Kyung-Jin [1]Nam;Sang-Yeong [2]Han;Sung Wook [2]Lee

机构地区：[1]Department of Radiology,Dong-A University Hospital,Dongdaesindong 3ga,Seo-gu,Pusan 602-715,South Korea;[2]Department of Internal Medicine,Dong-A University Hospital,Dongdaesindong 3ga,Seo-gu,Pusan 602-715,South Korea

出　　处：《World Journal of Gastroenterology》索引2011年第17卷第14期,共5页

基　　金：Supported by Research Funds from Dong-A university 摘　　要：AIM:To evaluate the potential usefulness of acoustic radiation force impulse (ARFI) images for evaluation of hepatocellular carcinomas (HCC)-associated radiofrequency ablation. METHODS:From January 2010 to June 2010,a total of 38 patients with HCC including recurred HCCs after RFA underwent ARFI elastography. The brightness of tumor was checked and the shear wave velocity was measure-d for the-quantification of stiffne-ss. According to theb-rightne-ss,the-tumors we-re-classifie-d as b-righte-r,samecolor and darker compared with adjacent parenchyma. Using the same methods,8 patients with recurred HCCs after RFA state were evaluated about the brightness compared with adjacent RFA ablation area. RESULTS:In the 38 patients with HCCs,20 (52.6%)were brighter than surrounding cirrhotic parenchyma. Another 13 (34.2%) were darker. The others (5 cases,13.2%) were seen as the same color as the adjacent liver parenchyma. Post-RFA lesions were darker than previous tumor and surrounding parenchyma in all 38 cases. However,recurred HCCs were brighter than the treated site in all 8 cases. CONCLUSION:Using ARFI technique is helpful for differential diagnosis in order to detect recurred HCCs more easily in patients with confusing status. 关键词：射频消融辐射力肝癌成像弹性治疗 RFA 亮度比

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Acoustic radiation force impulse elastography for hepatocellular carcinoma-associated radiofrequency ablation

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