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Hepatic artery pseudoaneurysm after endoscopic biliary stenting for bile duct cancer

World Journal of Radiology 2012年第3期4卷 115-120页

作者： Manabu Watanabe Kazue Shiozawa Takahiko Mimura Ken Ito Itaru Kamata Yui Kishimoto koichi momiyama Yoshinori Igarashi Yasukiyo Sumino Division of Gastroenterology and Hepatology Department of Internal MedicineToho University Medical CenterOmori Hospital6-11-1OmorinishiOta-kuTokyo 143-8541Japan

We report a case of a pseudoaneurysm of the right hepatic artery observed 9 mo after the endoscopic placement of a Wallstent,for bile duct stenosis,which was treated with transcatheter arterial *** patient presented with obstructive jaundice and was diagnosed with inoperable common bile duct cancer.A plastic stent was inserted endoscopically to drain the bile,and chemotherapy was *** pain and jaundice appeared approximately 6 mo after the beginning of chemotherapy.A diagnosis of stent occlusion and cholangitis was made,and the plastic stent was removed and substituted with a self-expandable metallic stent(SEMS) *** months after SEMS insertion,contrast-enhanced computed tomography showed a pseudoaneurysm of the right hepatic artery protruding into the common bile duct lumen and in contact with the *** shape and size of the pseudoaneurysm and diameter of its neck was determined by contrast-enhanced ultrasonography using Sonazoid.A micro-catheter was led into the pseudoaneurysm in the right hepatic artery,GDC Detachable Coils were placed,and IDC Detachable Coils were then placed in the right hepatic artery on the distal and proximal sides of the pseudoaneurysm using the isolation *** have been a few reports on pseudoaneurysm associated with stent placement in the biliary tract employing percutaneous transhepatic procedures,however,reports of pseudoaneurysms associated with endoscopic SEMS placement are very rare.

关键词： Pseudoaneurysm Self-expandable metallic stents Sonazoid Transcatheter arterial embolization Wallstent

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