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Efficacy of the Left Gastric Artery as a Route for Catheterization of the Right Gastric Artery

Takuji Yamagami1, Takeharu Kato1, Shigeharu Iida1, Tatsuya Hirota1 and Tsunehiko Nishimura1

1 All authors: Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-chyo, Kawaramachi-Hirokoji, Kamigyo, Kyoto 602–8566, Japan.



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  		Fig. 1A. —62-year-old man with liver metastasis from colon cancer. Arteriogram obtained via 5-French catheter placed at left gastric artery (arrow) shows gastric artery running toward hepatic site (arrowheads).

 


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  		Fig. 1B. —62-year-old man with liver metastasis from colon cancer. Arteriogram obtained via microcatheter (arrows) coaxially advanced from 5-French catheter (arrowhead) placed at left gastric artery shows communication between left and right gastric arteries. Gaseous distention of stomach is achieved with effervescent granules.

 


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  		Fig. 1c. —62-year-old man with liver metastasis from colon cancer. Arteriogram obtained after microcatheter had been advanced to embolization point in right gastric artery shows that right gastric artery arises opposite branching of gastroduodenal artery from common hepatic artery (arrow).

 


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  		Fig. 1D. —62-year-old man with liver metastasis from colon cancer. Arteriogram obtained via port after percutaneous implantation of indwelling port-catheter system shows that implantation has been precise. All hepatic artery branches are shown. Distal tip of catheter is fixed to gastroduodenal artery with microcoils and N-butyl cyanoacrylate–Lipiodol ([iodized oil] Laboratoire Guerbet) mixture (small arrows). Right gastric artery (large arrow) is successfully embolized with five microcoils, and branch arising from gastroduodenal artery (medium arrow) is embolized with one microcoil.

 


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  		Fig. 2A. —70-year-old man with liver metastasis of colon cancer. Arteriogram obtained via 5-French catheter placed at left gastric artery (large arrow) shows gastric artery running toward hepatic site (small arrow).

 


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  		Fig. 2B. —70-year-old man with liver metastasis of colon cancer. Arteriogram obtained after retrograde advancement of microcatheter through left gastric artery shows direct inflow of gastric artery into liver parenchyma. There is no right gastric artery in this patient.

 

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