By eHow Health Editor
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A duodenal ulcer is a well-defined break in the mucosa of the duodenum, usually less than 1 cm. These ulcers almost always occur in the first part of the duodenum and may penetrate the muscularis propria. Duodenal ulcers are found in up to 15 percent of the population and should be diagnosed promptly because the complications can be serious. The following steps will show how to diagnose duodenal ulcers.
eHow Health Editor