Immunohistochemistry diffuse large B-cell lymphoma

(A) Distinct membrane staining for CD20, a pan B-cell marker. CD20/peroxidase staining.
(B) Membrane staining of incidental non-lymphoma T-cells. CD3/peroxidase staining.

Reproduced with permission from: Ioachim HL, Medeiros LJ. Diffuse large B-cell lymphoma. In: Ioachim's Lymph Node Pathology, 4th ed, Lippincott Williams & Wilkins, Philadelphia 2009. Copyright © 2009 Lippincott Williams & Wilkins. www.lww.com.

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