Figure 2

B-cell lymphoma, unclassifiable, with features intermediate between diffuse large B-cell lymphoma (DLBCL) and classical Hodgkin lymphoma (CHL), pattern 2 (case 2): histological sections show large atypical cells with immunoblastic and centroblastic morphology with diffuse sclerosis in a background of lymphocytes, histiocytes and few plasma cells (a and b). Immunohistological studies show that the large atypical cells express CD45 (c), CD20 (d), CD30 (e) and CD15 (f). Original magnifications × 200, × 400.