Fig. 3

A 27-year-old male with superior mesenteric artery syndrome. (a) shows hand diagram of aorto mesenteric junction in sagittal view illustrating the normal aorto mesenteric angle and the reduced aorto mesenteric angle in SMA syndrome. Axial view (b) and reformatted sagittal view (c) contrast-enhanced CT study of the abdomen in arterial phase shows the third part of the duodenum (asterisk) being compressed between the superior mesenteric artery (arrow) and the aorta (arrowhead)