What is the appearance of duodenal ulcers on endoscopy?

Updated: Apr 26, 2021
  • Author: BS Anand, MD; Chief Editor: Philip O Katz, MD, FACP, FACG  more...
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Answer

More than 95% of duodenal ulcers are found in the first part of the duodenum; most are less than 1 cm in diameter. [35] Duodenal ulcers are characterized by the presence of a well-demarcated break in the mucosa that may extend into the muscularis propria of the duodenum (see the images below).

Peptic ulcer disease. Gastric cancer with an ulcer Peptic ulcer disease. Gastric cancer with an ulcerated mass.
Peptic ulcer disease. Endoscopic view of an ulcer Peptic ulcer disease. Endoscopic view of an ulcer (at the upper center) in the wall of the duodenum, the first part of the small intestine. This ulcer is an open sore. Image courtesy of Science Source | Gastrolab.
Peptic ulcer disease. Duodenal ulcer in a 65-year- Peptic ulcer disease. Duodenal ulcer in a 65-year-old man with osteoarthritis who presented with hematemesis and melena. The patient took naproxen on a daily basis.

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