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英文誌(2004-)

Journal of Medical Ultrasonics

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1986 - Vol.13

Vol.13 No.04

Original Article(原著)

(0257 - 0263)

USによる肝右葉門脈3次分枝描出能の検討

Ultrasonographic Visualization of the 3rd Order Right Hepatic Portal Branches

平井 都始子1, 大石 元1, 今井 幸子1, 藤田 いずみ1, 吉村 佳子1, 木下 豊1, 打田 日出夫1, 本田 伸行2

Toshiko HIRAI1, Hajime OHISHI1, Yukiko IMAI1, Izumi FUJITA1, Yoshiko YOSHIMURA1, Yutaka KINOSHITA1, Hideo UCHIDA1, Nobuyuki HONDA2

1奈良県立医科大学放射線科, 2日生病院放射線科

1Department of Radiology, Nara Medical University, 2Department of Radiology, Nissei Hospital

キーワード : US, Portal subsegmental branch

 The method of scanning and the rate of US visualization are disccussed for the subsegmental branches of the right portal vein. Seventy-five cases were examined, excluded such cases as obstruction in the main PV 1st or 2nd branch. Each subsegmental branch was developed according to the nomenclature by Takayasu. The visualized rate of VIIIa, VIIIb, VIIIc and VIIId was 86.7%, 85.3%, 97.3% and 22.7%. That of Va and Vb was 97.3% and 94.7%. Therate of VIIa and VIIb was 72.0% and 86.7%. VIa, VIb and VI* were detected at the rate of 98.7%, 84.0% and 18.7%. Identification of portal subsegmental branches by US is useful for the judgment of precise localization of small hepatic tumor.