Fig. 3
From: Operative R0 resection of diffuse large B-cell lymphoma of the pelvis: a case report
Resected tissue; microscopic examination. Histological work-up shows hyalinized and sclerosed peritoneal tissue diffusely infiltrated by polymorphous blasts with one or more nuclei (a, b; hematoxylin and eosin). Immunohistochemical staining showed a strong CD20 positivity of the blasts (c). The proliferation fraction using an antibody to Ki67 was 70% within the blast cell population (d)