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. 2022 Nov 17;482(1):149–162. doi: 10.1007/s00428-022-03432-2

Fig. 4.

Fig. 4

Extranodal marginal zone lymphoma. In gastric MALT lymphoma, the mucosa contains a dense infiltrate of small lymphocytes and germinal centers (A, H&E). The small lymphocytes form desctructive lymphoepithelial lesions (B, H&E). In this salivary gland MALT lymphoma (C, H&E), the lymphoid proliferation contains germinal centers (lower left) and prominent lymphoepithelial lesions (upper right). In thyroid MALT lymphomas (D, H&E), lymphoepithelial lesions consist of small lymphocytes within glandular lumens (so-called MALT balls)