Monomorphic pattern of EBV+ DLBCL-NOS. (A-B) Diffuse proliferation of medium to large centroblastic lymphoid cells. (C-F) All tumor cells express EBER (C), CD20 (D), CD30 (E), and PD-L1 (F). Original magnification ×100 (A) and ×400 (B-F).
Sign In or Create an Account