Ultrasonographic Study of Superior Mesenteric Artery Syndrome

Figty normal persons and forty-one patients with superior mesenteric artery(SMA)syn-drome were examined by ultrasonography.It was found that the width of the transverse portion of duodenum within the angle between the SMA and aorta(AO)and that of the proximal and distal por-tions of the duodenum after drinking water had significant difference between normal persons and pa-tients(P 30mm.3.\"Funnel shaped\"or\"dumbbell shaped\"image of duodenum.4.The angle between SMA and AO\u003c13°.5.Symptoms and signs of duodenal obstruction. It is suggested that real-time ultrasonography is of great value in the diagnosis of SMA syndrome.\r\n\r\nKey words: \r\nsuperior mesenteric artery sydrome ultrasonographic diagnosis