PMC9356900_01
Gastric fundus demonstrating discolored and friable mucosa with few scattered areas of speckled dark mucosal pigmentation (endoscopy image).
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fig1
Patient's updated endoscopic evaluation revealed discolored and friable mucosa in the gastric fundus and gastric body (Figures 1, 2).
Gastric body demonstrating speckled dark mucosal pigmentation (endoscopy image).
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fig2
Patient's updated endoscopic evaluation revealed discolored and friable mucosa in the gastric fundus and gastric body (Figures 1, 2).
Gastric mucosa with inactive chronic gastritis, foveolar hyperplasia, mucosal iron deposition, intestinal metaplasia, and superficial pigment deposition, suggestive of pseudomelanosis. H&E stain, 100x.
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fig3
Biopsies of the stomach were obtained, which revealed chronic gastritis, mucosal iron deposition, and superficial pigment deposition suggestive of pseudomelanosis (Figures 3, 4).
Gastric mucosa. An iron special stain highlights mucosal iron deposition. Subepithelial aggregates of dark pigment are also seen. Iron stain, 200x.
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fig4
Biopsies of the stomach were obtained, which revealed chronic gastritis, mucosal iron deposition, and superficial pigment deposition suggestive of pseudomelanosis (Figures 3, 4).