Supraduodenal and Right Gastric Arteries Originating from A Common Trunk: A Rare Anatomical Variant

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  • Wada Noriaki
    Department of Radiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center
  • Yamashita Koji
    Department of Radiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center
  • Shin Seitaro
    Department of Radiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center
  • Harada Shino
    Department of Radiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center
  • Furuya Kiyomi
    Department of Radiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center
  • Imamura Hajime
    Department of Hepato-Biliary-Pancreatic Surgery, Clinical Research Institute, National Hospital Organization Kyushu Medical Center
  • Takami Yuko
    Department of Hepato-Biliary-Pancreatic Surgery, Clinical Research Institute, National Hospital Organization Kyushu Medical Center
  • Noguchi Tomoyuki
    Department of Radiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center

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<p>Knowledge of the anatomic variations of the supraduodenal artery (SDA) and right gastric artery (RGA) is necessary to reduce the procedure time and radiation exposure dose, as well as to avoid unexpected complications of catheter placement before hepatic arterial infusion chemotherapy. The SDA and RGA most commonly arise from the gastroduodenal artery (GDA) and the proper hepatic artery, respectively; however, they can branch from the left hepatic artery (LHA). In addition, the SDA frequently anastomoses with the RGA and occasionally with the GDA. We observed a rare anatomic variant of SDA and RGA originating from the LHA as a common trunk. The patient also had a variant of SDA communicating with the GDA. It is important for interventional radiologists to be aware of these variations.</p>

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