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A gastrosplenic trunk in association with a replaced common hepatic artery arising independently from the superior mesenteric artery: A case report using multidetector computed tomography angiography

The authors report the case of a 51-year-old male that shown to have, independently of the vascular lesions of the lower limbs, the presence of a gastrosplenic trunk (GST) in association with a replaced common hepatic artery (CHA), arising from the superior mesenteric artery by multidetector computed tomography angiography. The GST with an endoluminal diameter of 5.6 mm at its origin and a length of 18.8 mm arose from the anterior wall of the AA at the level of middle 1/3rd of the L1 vertebral body. The replaced CHA with an endoluminal diameter at the origin of 4.8 mm has a lateral right ascendent path, initial in front of the superior mesenteric vein, in the middle portion penetrating the pancreatic parenchyma, in the terminal portion crossing the anterior aspect of hepatic portal vein, and finally fork in the gastroduodenal artery and hepatic artery proper. The knowledge of the variations of the GST and the replaced CHA is important for planning and performing procedures such as duodenopancreatectomy and liver transplantation.