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Distinctive magnetic resonance imaging findings of hepatocellular carcinoma after hepatitis C virus eradication with direct-acting antivirals

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Hepatoma Research 2020年第3期6卷 41-49页

作者： Takao Shimizu Kaoru Tsuchiya Masayuki Kurosaki Yutaka Yasui Sakura Kirino Keiya Watakabe Leona Osawa mao okada Wan Wang Mayu Higuchi Kenta Takaura Shun Kaneko Nobuharu Tamaki Hiroyuki Nakanishi Jun ltakura Yuka Takahashi Tadakazu Hisamatsu Namiki lzumi Department of Gastroenterology and Hepatology Musashino Red Cross HospitalTokyo 180-8610Japan Department of Gastroenterology and Hepatology Kyorin University HospitalTokyo 180-8610Japan

Aim:The aim of the present study was to evaluate the characteristics of the magnetic resonance imaging features of hepatocellular carcinoma(HCC)that developed early after the eradication of hepatitis C virus(HCV)by direct-acting antiviral(DAA)***:This study included 26 patients who achieved sustained viral response with DAA and developed HCC thereafter within one year(DAA-SVR HCC).The radiologic characteristics of these patients were evaluated by contrast-enhanced magnetic resonance imaging,including diffusion-weighted imaging(DWI)and T2-weighted imaging(T2WI).For comparison,80 HCC patients with positive HCV RNA(HCV-positive HCC)were *** 42 patients where tumor biopsy was available,histological grade and radiologic findings were ***:The rates of high intensity on DWI and T2WI were significantly higher in DAA-SVR HCC compared to HCV-positive HCC(DWI:100%vs.67.5%,P<0.001T2WI:92.6%vs.67.5%,P=0.01).HCC with high intensity on DWI or T2WI was more likely to have moderately or poorly differentiated HCC compared to well-differentiated HCC(DWI:69.7%vs.30.3%,P=0.02;T2WI:66.7%vs.27.3%,P=0.03).Conclusion:High intensity on DWI and hyperintensity on T2WI were distinctive features of HCC that developed within one year after the end of DAA treatment.

关键词： Hepatocellular carcinoma direct-acting antivirals sustained viral response contrast enhanced magnetic resonance imaging

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