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英文誌(2004-)

Journal of Medical Ultrasonics

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1995 - Vol.22

Vol.22 No.10

Case Report(症例報告)

(0729 - 0732)

体表からの超音波にて総胆管拡張を疑われた遊走胆囊の1例

A Case of Floating Gallbladder Initially Diagnosed as Common Bile Duct Dilatation on Abdominal Ultrasonographic Examination

猪股 英俊, 白松 文彦, 辰口 治樹, 三谷 環, 伊東 佳澄, 三谷 正信, 平田 健一郎, 吉田 茂夫

Hidetoshi INOMATA, Fumihiko SHIRAMATSU, Haruki TATSUGUCHI, Tamaki MlTANI, Kasumi ITOH, Masanobu MlTANI, Kenichirou HIRATA, Shigeo YOSHIDA

札幌医科大学付属病院機器診断部

Department of Diagnostic Ultrasound and ME Sapporo Medical University

キーワード : Common bile duct dilatation, Endoscopic ultrasonography, Floating gallbladder, Torsion of gallbladder

Although floating gallbladder occurs in approximately 4% of the population, it is seldom diagnosed with ultrasonography. Here we report a case of a floating gallbladder in which the abdominal ultrasonogram showed echo-free space in front of the portal vein and inferior vena cava. It was first misdiagnosed as a dilated common bile duct. Endoscopic ultrasonography and other imaging methods were useful in making a correct diagnosis. It is important to rule out a floating gallbladder when diagnosing a dilated common bile duct.