Accuracy of routine multidetector computed tomography to identify arterial variants in patients scheduled for pancreaticoduodenectomy

Figure 4 Sixty-eight-year-old man with a replaced common hepatic artery. A: MDCT demonstrating an RCHA originating from the SMA, running behind the superior mesenteric vein, with no common hepatic artery found arising from the celiac axis; B: Volumetric three-dimensional CT angiography demonstrating Michels type IX. RCHA: Replaced common hepatic artery; MDCT: Multidetector computed tomography; CT: Computed tomography; SMA: Superior mesenteric artery; SA: Splenic artery; LGA: Left gastric artery; AA: Abdominal aorta.