Simultaneous Occurrence of Rosai–Dorfman Disease and Nodal Marginal Zone Lymphoma in a Patient with Sjögren’s Syndrome

Figure 3

(a) The focus of large lymphoid cells, surrounded by necrotic tissue (×400, H&E). B–F. Immunostaining of the large tumor cells expressing CD20. (b) (×400), CD30 (c) (×400), light kappa chain. (d) (×200), IgM. (e) (×200), MUM1. (f) (×400). (g) Detection of EBV-positive large lymphocytes using EBER in situ hybridization.

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