PMC3304077_01
Submucosal lesion of the stomach. 2 cm raised lesion with central erosion in the upper body of the stomach (indigo carmine stain).
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F1
A diagnostic upper endoscopy in our unit revealed a 2 cm raised, submucosal lesion with central erosion in the upper body of the stomach (fig. 1).
Submucosal lymph node. Well-circumscribed submucosal lymph node invading the muscularis mucosa into the mucosa (H&E stain, x1.25).
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F2
Histological study revealed a well-circumscribed lymph follicle containing large germinal centers in the submucosa invading the muscularis mucosa and mucosa (fig. 2).
LEL resembling poorly differentiated adenocarcinoma (H&E stain, x40).
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F3
Centrocyte-like cells and epitheliotropic proliferation (LEL) invading into the mucosa with obliteration of the gastric glands (fig. 3) were also seen.