Composite Lymphoma with Follicular Lymphoma Transformation to Clonally Related Epstein–Barr Virus (EBV) Positive Diffuse Large B-Cell Lymphoma and EBV-PositiveClassic Hodgkin Lymphoma

Figure 1

Histology and immunophenotype of initial transformation to EBV + DLBCL (A–H) and EBV + cHL (I–P), as well as relapsed EBV + cHL (Q–X). H & E-stained images at 20x (A, I, Q) and 400x (B, J, R) magnification. Immunostains for CD20 (C, K, S), PAX-5 (D, L, T), CD30 (E, M, U), CD15 (F, N, V), and OCT-2 (G, O, W) and in situ hybridization for EBER (H, P, X), all at 200x.