Diffuse large B-cell lymphoma with a majority of cells staining for the Ki-67 proliferative index, indicative of rapid growth. Ki67/peroxidase stain.
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.
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