PMC3829741_01
Gastric body mucosa at 10x H&E stain showing dense lymphoid infiltrate.
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Histopathological examination of the biopsy specimen revealed dense lymphoid infiltration consistent with low-grade gastric MALT lymphoma (Figures 1-3); however culture and rapid urea test for Helicobacter pylori were negative, as they had been at the time of the initial finding of the ulcer the year prior.
Gastric body mucosa at 10x immunohistochemistry for CD20 showing strongly positive staining in the B lymphocytes of MALT lymphoma.
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Histopathological examination of the biopsy specimen revealed dense lymphoid infiltration consistent with low-grade gastric MALT lymphoma (Figures 1-3); however culture and rapid urea test for Helicobacter pylori were negative, as they had been at the time of the initial finding of the ulcer the year prior.
Gastric mucosa at 10x immunohistochemical stain for CD5 showing reactive T cells positively staining and negative staining in the B lymphocytes.
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PMC3829741_01_amjcaserep-14-467-g003.jpg
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Histopathological examination of the biopsy specimen revealed dense lymphoid infiltration consistent with low-grade gastric MALT lymphoma (Figures 1-3); however culture and rapid urea test for Helicobacter pylori were negative, as they had been at the time of the initial finding of the ulcer the year prior.