An Incidental Finding of Gastric and Duodenal Pseudomelanosis: A Case Report

Abstract Pseudomelanosis of the upper gastrointestinal tract is a rare diagnosis of undetermined significance, most commonly affecting the duodenum. Endoscopically, it is characterized by dark spickled pigmentation . Its development has been linked to certain conditions and medications. Involvement...

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Bibliographic Details
Published in:Case reports in gastroenterology 2022-04, Vol.16 (1), p.264-269
Main Authors: Wael Mohamed, Mohamed, Althahabi, Rawan, Abubaker, Faisal, Sharif, Omar
Format: Article
Language:English
Subjects:
case report
Case reports
Diabetes
Endoscopy
Hemoglobin
Hypertension
Iron
Kidney diseases
Melanoma
Metastasis
pseudomelanosis
Single Case
Skin cancer
Small intestine
Stains & staining
Stomach
Urinary tract diseases
Urinary tract infections
Urogenital system
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Summary:Abstract Pseudomelanosis of the upper gastrointestinal tract is a rare diagnosis of undetermined significance, most commonly affecting the duodenum. Endoscopically, it is characterized by dark spickled pigmentation . Its development has been linked to certain conditions and medications. Involvement of the stomach is extremely rare with very few cases reported in the literature to date. We report an 85-year-old male who is known to have type 2 diabetes mellitus, dyslipidemia, iron deficiency anemia, and chronic kidney disease who underwent an esophagogastroduodenoscopy for evaluation of upper gastrointestinal bleeding and was found to have gastric and duodenal pseudomelanosis confirmed by biopsy. It is an extremely rare benign condition, but metastatic melanoma has to be ruled out, as was done in this case.
ISSN:1662-0631
1662-0631
DOI:10.1159/000524192