PMC7213823_01
Axial CT enterography scan showing compression of the third part of the duodenum between the aorta and the SMA (aorta-SMA distance of 5 mm), with consequent upstream dilation - a markedly distended stomach (white arrow) and duodenum (black asterisk)
1557_Fig1.jpg
PMC7213823_01_1557_Fig1.jpg
f1-1557-1-12372-1-10-20200319
After consultation in our department, the patient underwent CT enterography, which revealed distension of the proximal duodenum and compression of the third portion of the duodenum between the aorta and the superior mesentery artery (aortomesenteric clamp), with a measured aortomesenteric distance of 5 mm (Fig. 1) and an angle of 18.6  (Fig. 2).
Sagittal CT enterography scan showing a narrow aorta-SMA angle of 18.6
1557_Fig2.jpg
PMC7213823_01_1557_Fig2.jpg
f2-1557-1-12372-1-10-20200319
After consultation in our department, the patient underwent CT enterography, which revealed distension of the proximal duodenum and compression of the third portion of the duodenum between the aorta and the superior mesentery artery (aortomesenteric clamp), with a measured aortomesenteric distance of 5 mm (Fig. 1) and an angle of 18.6  (Fig. 2).