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January 1951


Author Affiliations

Chief of Surgical Service, Veterans Administration Hospital DES MOINES, IOWA
From the Department of Surgery, Veterans Administration Hospital.

AMA Arch Surg. 1951;62(1):145-149. doi:10.1001/archsurg.1951.01250030148018

Symptomatic compression of the third part of the duodenum is rare and is frequently unrecognized. Among the causes of this type of obstruction or compression of the duodenum in the region of the ligament of Treitz are (1) congenital anomalies of the intestines, (2) accentuation of the normal angle at the duodenojejunal junction and (3) pressure on the duodenum by the superior mesenteric vessels.1 It is with the last that we are herein concerned. Arteriomesenteric duodenal compression is not found in quadrupeds, because the mesentery is directed ventrally.2 In man it is directed caudally and may occasionally exert a sufficient tug to occlude the terminal portion of the duodenum at the point at which it passes beneath the mesenteric pedicle. This syndrome is most frequently seen in young adults. Females predominate in the rate of 3 to 1.3

The typical adult patient who suffers from this malady

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