Fig. 2.
Histopathologic features, A) Dense meningeal lymphoid hyperplasia with pushing border on adjacent brain tissue, B) Lymphoid follicles with prominent germinal centers, C) Tingible body macrophages are present in germinal centers, D) CD3+ T cells mostly in interfollicular regions, E) CD20+ B-cells stain germinal centers, F) KI67 with high proliferative index in germinal centers.
