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英文誌(2004-)

Journal of Medical Ultrasonics

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1999 - Vol.26

Vol.26 No.06

Original Article(原著)

(0781 - 0785)

早期肝細胞癌及びその境界病変の流出血管: カラードプラ法による観察

The Efferent Blood Flow of Early Hepatocellular Carcinoma and Borderline Lesions: Demonstration by Color Doppler Imaging

栃尾 人司1, 冨田 周介2, 工藤 正俊3, 岩崎 信広1, 田村 周二1, 中村 仁美1, 曽我 登志子1, 福永 豊和2, 岡部 純弘2, 樫田 博史2, 平佐 昌弘2, 伊吹 康良2, 森本 義人1, 織野 彬雄2

Hitoshi TOCHIO1, Syusuke TOMITA2, Masatoshi KUDO3, Nobuhiro IWASAKI1, Syuji TAMURA1, Hitomi NAKAMURA1, Toshiko SOGA1, Toyokazu FUKUNAGA2, Yoshihiro OKABE2, Hiroshi KASHIDA2, Masahiro HIRASA2, Yasuyosi IBUKI2, Yoshito MORIMOTO1, Akio ORINO2

1神戸市立中央市民病院臨床病理科, 2神戸市立中央市民病院消化器センター内科, 3近畿大学医学部消化器内科

1Division of Abdominal Ultrasound Kobe City General Hospital, 4-6 Minatojima-Nakamachi, Chuo-ku, Kobe-shi, Hyogo-ken 650-0046, Japan, 2Department of Gastroenterology Kobe City General Hospital, 4-6 Minatojima-Nakamachi, Chuo-ku, Kobe-shi, Hyogo-ken 650-0046, Japan, 3Division of Gastroenterology and Hepatoloqy, Department of Internal Medicine Kinki University School of Medicine, 377-2, Ohno-Higashi, Osaka-Sayama, Osaka, Japan 589-8511

キーワード : Early hepatocellular carcinoma, Borderline lesion , Draining vessel, Hepatic vein , Ultrasound, Color Doppler

We performed waveform analysis of the efferent signal detected within early hepatocellular carcinomas and borderline lesions, in which portal flow was demonstrated. Continuity of this flow in the existing vessel was also analyzed. Nine nodules in 7 patients with early hepatocellular carcinomas and borderline lesions were included in this study. Tumor diameter ranged from 1.2 to 3.5 cm; average, 2.1 cm. Waveform of the efferent flow signal from within these nodules was continuous in 5 nodules and biphasic venous in 4 nodules. Outside the nodules, the waveform of the efferent flow signal was that of a biphasic venous wave. All efferent signals were confirmed to continue in the hepatic vein. These findings thus suggest that the draining vessel in early hepatocellular carcinomas and their borderline lesions is the hepatic vein.