A Rare Case of Duodenal Pseudomelanosis.

Marianna D'ErcoleGianluca LopezLuca ElliStefano FerreroGiorgio Alberto Croci
Published in: Diagnostics (Basel, Switzerland) (2021)
A black-spotted duodenal mucosa was observed during endoscopy of a man with several comorbidities including hypertension and end-stage kidney disease. Histopathological examination revealed pigment-laden macrophages in the lamina propria of the duodenal villi, which was consistent with duodenal pseudomelanosis.