Diffuse large B-cell lymphoma arising from follicular lymphoma with warthin’s tumor of the parotid gland - immunophenotypic and genetic features: A case report

Figure 1 Morphological characteristic of Warthin’s tumor and lymphoma. A: The bilayered oxyphilic, cuboidal or polygonal epithelium cells and lymphoid intraparernchymal components were observed; B, C: A lot of medium- to large- size lymphoid cells was observed diffusely in part of neoplasm (B) and a few secondary lymphoid follicles were seen at the centre or edge of neoplasm (C); D: At the border of epithelium, the lymphoepithelial lesions were identified. (hematoxylin-eosin staining, Magnification ×200)