A Dark Spot in the Duodenum

An 83-year-old man presents with food impaction. Endoscopy reveals a rare, benign condition in the duodenum. Learn about this Incidental Finding.

Pseudomelanosis duodeni


An 83-year-old man presented with food impaction after eating pork. He reported intermittent difficulty with swallowing ongoing for several months. An esophagogastroduodenoscopy was performed to relieve the obstruction. During the endoscopy, the duodenal mucosa was as shown. What is the diagnosis?

What is the most likely diagnosis?

Malignant melanoma
Pseudomelanosis duodeni
Hemochromatosis
Chronic bowel ischemia
Peutz-Jeghers syndrome

Dysphagia, Endoscopy, Gastroenterology, Iron Supplements, Pseudomelanosis duodeni

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