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Figure 4c. Low-grade MALT lymphoma of the stomach in a 56-year-old woman who presented with dyspepsia. (a, b) Axial contrast-enhanced CT scan (a) and sagittal multiplanar reformatted image (b) show minimal thickening (arrowheads) in the antrum of the stomach (S). The rest of the stomach was normal. G = gallbladder. (c) Intermediate-power photomicrograph (original magnification, x100; H-E stain) of the gastric biopsy specimen shows an infiltrate of small blue lymphoid cells throughout, with very few gastric glands. (d) High-power photomicrograph (original magnification, x400; H-E stain) shows a lymphoepithelial lesion (arrow) formed by the infiltration of the gastric glands by groups of irregular small lymphoid cells. This finding is a classic feature of low-grade MALT lymphoma.
