Colonic EBV-Associated Lymphoproliferative Disorder in a Patient Treated with Rabbit Antithymocyte Globulin for Aplastic Anemia
Figure 2
Histologic findings of biopsy specimens. (a) Atypical lymphocytes, lymphocytes, and neutrophils infiltrate the colonic lamina propria. Mildly atrophied crypts with goblet cell depletion are also observed (H&E, original magnification ×10). (b) Immunohistochemical staining with anti-CD20 antibody shows a diffuse reaction (original magnification ×25). (c) In situ hybridization for EBER reveals positive staining (original magnification ×25).
