Successful Treatment of Posttransplant EBV-Associated Lymphoma and Plasmacytoma Solely Localized to the CNS

<table>Histological and immunohistochemical analysis of posttransplant EBV-associated diffuse large B-cell lymphoma in the CNS. (a) H&amp;E section showing diffuse infiltration by large neoplastic lymphocytes (<svg height="11.075" id="M2" style="vertical-align:-0.3135pt" version="1.1" viewbox="0 0 25.75 11.075" width="25.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.075)">
<g transform="translate(72,-63.14)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">×</tspan>
<tspan style="font-size: 12.50px; " x="8.0019197" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="14.25342" y="0">0</tspan>
</text>
</g>
</g>
</svg>). (b) Immunohistochemistry showing neoplastic lymphocytes are strongly positive for CD20 (<svg height="11.075" id="M3" style="vertical-align:-0.3135pt" version="1.1" viewbox="0 0 25.75 11.075" width="25.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.075)">
<g transform="translate(72,-63.14)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">×</tspan>
<tspan style="font-size: 12.50px; " x="8.0019197" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="14.25342" y="0">0</tspan>
</text>
</g>
</g>
</svg>). (c) Immunohistochemistry showing scattered tumor cells positive for EBV (<svg height="11.075" id="M4" style="vertical-align:-0.3135pt" version="1.1" viewbox="0 0 25.75 11.075" width="25.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.075)">
<g transform="translate(72,-63.14)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">×</tspan>
<tspan style="font-size: 12.50px; " x="8.0019197" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="14.25342" y="0">0</tspan>
</text>
</g>
</g>
</svg>).</table>

Case Reports in Hematology

fig1

Figure 1

Figure 1: Successful Treatment of Posttransplant EBV-Associated Lymphoma and Plasmacytoma Solely Localized to the CNS 