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Figure 1 | Journal of Medical Case Reports

Figure 1

From: Lenalidomide in heavily pretreated refractory diffuse large B-cell lymphoma: a case report

Figure 1

Initial histopathologic examination of the gastric biopsy specimen. (a) Gastric mucosa occupied (the left two-thirds of the image) by the diffuse infiltrate composed of large lymphoma cells. Hematoxylin and eosin (HE) stain, objective magnification 40×. (b) CD20 stain positivity in lymphoma cells, objective magnification 40×. (c) PAX5 stain positivity in lymphoma cells, objective magnification 40×. (d) High proliferative activity of diffuse large B-cell lymphoma cells on immunohistochemical staining for MIB-1 (Ki67), objective magnification 40×.

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