Figure 1.
Histopathologic features of a 47-year-old female patient with T cell chronic active Epstein–Barr virus (EBV) disease. (A) Hematoxylin and eosin stain. Small- to medium-sized lymphocytes without significant atypia infiltrate the bone marrow clot. (B) EBV-encoded RNA in situ hybridization. The brown staining lymphocytes are positive for EBV RNA.