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“Spot Diagnosis”: Typical Endoscopic and Histopathological Features of Pseudomelanosis duodeni

Year: 2025

Type: article

Abstract: is a rare yet benign endoscopic entity characterized by black-brown pigmentation of the duodenal mucosa secondary to iron accumulation within lamina propria macrophages. Histopathological evaluation of duodenal biopsies is reliable in excluding important differential diagnoses and preventing unnecessary investigations or interventions.

Source: Clinical Case Reports

DOI: 10.1002/ccr3.70235

Authors: Christopher James Shephard, Bulent Baran

Institution: Townsville Hospital

Language: English

Topic: Gastrointestinal Bleeding Diagnosis and Treatment

Subfield: Gastroenterology

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $1,820