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. 2022 Oct 11;482(1):227–244. doi: 10.1007/s00428-022-03414-4

Fig. 2.

Fig. 2

EBV-positive diffuses large B cell lymphoma, NOS. AD Polymorphic variant with numerous HRS-like cells. A Low magnification of a lymph node diffusely infiltrates with geographic areas of necrosis (original magnification, ×50). B EBER in situ hybridization shows diffuse EBV-positive tumor cells surrounding the necrosis (original magnification, ×100). C Polymorphous proliferation characterized by small lymphocytes, plasma cells, histiocytes, and scattered large transformed cells mimicking Hodgkin and Reed–Sternberg (HRS) cells. Insert: the HRS-like cells are LMP1 positive (original magnification, 400×). D The HRS-like cells are strongly CD20 positive. Note the polymorphic B cell infiltrate. EF Monomorphic type of EBV-positive diffuses large B cell lymphoma, NOS. E The lymph node is diffusely replaced by a monomorphic infiltrate of large centroblastic cells. F EBER in situ hybridization is positive in almost 100% of the tumor cells. (EF original magnification, ×400)