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Chronic intermittent duodenal obstruction or ileus has attracted increasing attention in recent years and is generally being accepted as a clinical entity. There are still a few who hold that it is not a clinical entity but a radiographic sign caused by and associated with various intra-abdominal lesions. However, most competent observers in this field have come to consider it as a distinct clinical condition. Various descriptive terms have been applied to it, such as arteriomesenteric occlusion, congenital fixation of the duodenum, stenosis of the duodenum, megaduodenum, chronic duodenal ileus or stasis and chronic intermittent duodenal obstruction.
There are several causes of the condition. But in this discussion we shall confine ourselves to the two that are the most frequent and important. First, there is the group of cases due to peritoneal adhesions or bands, congenital or inflammatory, fixing the first and second parts of the duodenum. Secondly, there is
SHATTUCK HF, IMBODEN HM. CHRONIC INTERMITTENT DUODENAL OBSTRUCTION. JAMA. 1932;98(12):943–947. doi:10.1001/jama.1932.02730380011004
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