Peptic Ulcer Disease – Part 5
One rare cause of peptic and gastric ulcers is Zollinger-Ellison syndrome, which usually results from an islet tumor in the pancreas. This condition should be suspected in patients with recurrent ulcers after adequate treatment, the presence of multiple ulcers, ulcers that have produced complications such as bleeding and obstruction, and ulcers in unusual locations such as the second and third parts of the duodenum. The best screening test for Zollinger-Ellison syndrome is a fasting serum gastrin level.
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