Posttransplant Lymphoproliferative Disease Presenting as an Extracranial Mass

Figure 2

Biopsy of this lesion confirmed an EBV positive B-cell lymphoma. (a) Histology showed large atypical lymphocytes; hematoxylin and eosin (H&E) (×40 magnification). (b) Immunostaining revealed that these lymphocytes were CD20 positive. (c) In situ hybridization with EBV-encoded small RNA (EBER) was additionally positive (×40 magnification).

(a)

(b)

(c)