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. 2022 Feb 18;39(1):113–118. doi: 10.1055/s-0041-1740939

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Fig. 6 — Off-target embolization from catheter reflux and kick-back. ( a ) Celiac artery angiography demonstrates a right gastric artery (blue arrow) arising from the proximal left hepatic artery (orange arrow). Embolization of the right gastric artery is attempted to avoid off-target delivery of radio-embolics to the stomach. ( b ) A microcatheter is used to catheterize the right gastric artery (blue arrow) arising from the left hepatic artery (orange arrow). ( c ) The microcatheter refluxes out of the target right gastric artery with deployment of the last embolization coil (yellow arrow), which appears to be within the left hepatic artery. ( d ) A snare is used to retrieve the unintentional coil deployment within the left hepatic artery. ( e ) Completion angiography demonstrating complete occlusion of the right gastric artery and appropriate contrast-related flow within the left hepatic artery.