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Papers of the Week

2022 May




A Case of Duodenal “Spot” Diagnosis.


Cheema HI, Raghavapuram S, Boston I, Augustine T, Tharian B
Cureus. 2022 May; 14(5):e25500.
PMID: 35800839.


Pseudomelanosis duodeni is a rare finding usually described as a black/brown speckled or tattooed appearance of the intestinal mucosa. Although an incidental finding, it has been associated with different medications and chronic medical conditions such as diabetes mellitus and chronic renal failure. We describe an elderly male who presented with epigastric pain and melena. Endoscopy showed pseudomelanosis duodeni related to intravenous (IV) iron transfusion. To our knowledge, this is the first report of pseudomelanosis duodeni related to IV iron use. In spite of its benign nature, the diagnosis of pseudomelanosis duodeni is essential to rule out other serious medical conditions that mimic its physical findings.