Fig. 4From: An unusual and challenging case of HIV-associated primary CNS Lymphoma with Hodgkin-like morphology and HIV encephalitisCD20, CD15, and CD30 Immunohistochemistry and EBV In Situ Hybridization. Photomicrographs of the hypercellular lesion show that the large, Reed-Sternberg-like cells and many intermediate-sized cells were strongly positive for CD20 by immunohistochemistry (a,100X, and inset,400X), and EBV via ISH (b, 400X); the large cells were negative for CD15 (c, 400X) and CD30 (d, 400X) by immunohistochemistryBack to article page