Fig. 1

MSCT images of the superior mesenteric artery. a Axial image of the arterial phase shows the superior mesenteric artery inner intimal layer (arrow). The superior mesenteric artery is divided into 2 lm; b) MIP shows the superior mesenteric artery intimal flap and true and false double lumen and false lumen; c) VR shows the true and false double lumen; d) In the superior mesenteric artery intercalated with stent, VR clearly shows the position, length, and extent of the stent; e) VR shows the superior mesenteric artery prosthesis expansion and occlusion; f) CTVE clearly shows the superior mesenteric artery dissection