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英文誌(2004-)

Journal of Medical Ultrasonics

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2002 - Vol.29

Vol.29 No.01

Case Report(症例報告)

(J017 - J021)

経静脈性造影超音波が肝癌の経皮的マイクロウェーブ凝固療法の治療効果判定に有用であった1例

A Case of Hepatocellular Carcinoma : The Feasibility of Intravenous Contrast Enhanced Ultrasonography in Evaluating Percutaneous Microwave Coagulation Therapy

廣川 直樹, 小井戸 一光, 中田 健生, 市村 健, 染谷 正則, 庄内 孝春, 山 直也, 兵頭 秀樹

Naoki HIROKAWA, Kazumitsu KOITO, Kensei NAKATA, Takeshi ICHIMURA, Masanori SOMEYA, Takaharu SHOUNAI, Naoya YAMA, Hideki HYOUDOU

札幌医科大学医学部放射線医学講座

Department of Radiology, Sapporo Medical University School of Medicine

キーワード : contrast enhancement, hepatocellular carcinoma, percutaneous microwave coagulation therapy(PMCT), ultrasound

Precise evaluation of the effect of treatment after ablation of liver tumors is essential. We encountered a case of hepatocellular carcinoma (HCC) in which tumoral necrosis was fairly well detected by intravenous contrast-enhanced ultrasonography (EU). An eighty-year-old woman with chronic hepatitis C underwent ultrasonographic examination (US), in which B mode US detected an HCC nodule 11 mm in diameter. This nodule was well enhanced by EU using the dynamic flow method and an ultrasound system (Toshiba PowerVision 8000) on both vascular and perfusion images. After percutaneous microwave coagulation therapy, the nodule was not enhanced by this method or enhanced CT. We think that EU should be the first choice of examination after nonsurgical treatment of liver tumors, because EU is more convenient than CT or MR and may have the same diagnostic ability to evaluate tumor viability as CT or MR.