Masquerade Syndrome of Multicentre Primary Central Nervous System Lymphoma

Figure 2

(a) Areas of necrosis associated to perivascular islands of viable lymphoma cells (hematoxylin and eosin; original magnification ×200), (b) Characteristic perivascular accumulation and spread of blastic lymphoma cells (hematoxylin and eosin; original magnification ×100). (c) PCNSL cells display consistent CD20 immunoreactivity (original magnification ×100). (d) PCNSL cells display consistent MUM-1 immunoreactivity (original magnification ×100).

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