PMC4673324_01
Hematoxylin and eosin stain showing salivary gland and lymphoid components. Small lymphocytes on the left and large lymphocytes on the right.
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fig1
An excisional lymph node biopsy confirmed the diagnosis of diffuse large B-cell type NHL germinal center cell subtype (Figure 1).
CD 20 immunostain showing 80-90% large lymphoid cells.
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Immunohistochemical studies showed positive staining for CD20 (Figure 2) with high Ki-67 score of approximately 90% (Figure 3).
Ki-67 immunostain showing high proliferation rate.
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fig3
Immunohistochemical studies showed positive staining for CD20 (Figure 2) with high Ki-67 score of approximately 90% (Figure 3).