Primary central nervous system lymphoma presenting as a single choroidal lesion mimicking metastasis: A case report

Figure 3 Representative microscopic images of diffuse large B-cell lymphoma in the brain. A: Infiltration of large, atypical cells with prominent nucleoli around the granular layer of the cerebellum (hematoxylin and eosin stain, magnification: 200 ×); B: Infiltration of large, atypical cells with prominent nucleoli around the granular layer of the cerebellum (hematoxylin and eosin stain, magnification: 400 ×); C: Tumor cells show strong positivity for the B-cell surface marker CD20 on immunohistochemistry (Immunohistochemical stain, magnification: 200 ×).