PMC5636209_01
Segment of small intestine with prominent wall thickening and stricture formation (arrow).
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figure1
The tumour had a multinodular appearance with a prominent wall thickening and a soft, homogenous cut surface with stricture formation (Figure 1).
Small intestinal mucosa with villous blunting and florid infiltration of the lamina propria, intestinal crypts, and surface epithelium by small- to medium-sized monomorphic lymphoma cells.
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figure2
T-cell lymphoma (Figure 2, 3). The tumour was also positive for T-cell receptor gamma and negative for CD4, CD20, and CD30.
Monomorphic small- to medium-sized lymphoma cells with round nuclei, slightly irregular nuclear contour, vesicular chromatin, and rim of clear cytoplasm.
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figure3
T-cell lymphoma (Figure 2, 3). The tumour was also positive for T-cell receptor gamma and negative for CD4, CD20, and CD30.