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The sections show small bowel mucosa with lymphoid hyperplasia. | The sections show small bowel mucosa with lymphoid hyperplasia. | ||
Immunostains for CD3 | Immunostains for CD3 and CD20 show a mixed population of lymphocytes. A CD23 immunostain shows follicular dendritic cell networks. A cyclin D1 immunostain is negative. | ||
=====Alternate===== | |||
Immunostains for CD3 and CD20 show a mixed population of lymphocytes, with CD20 cells predominating. A cyclin D1 immunostain is negative. A CD23 immunostain shows follicular dendritic cell networks. | |||
==Multiple lymphomatous polyposis== | ==Multiple lymphomatous polyposis== |
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