Figure 2From: Localized retroperitoneal Castleman’s disease: a case report and review of the literature Intra-operative pictures of the tumor in situ and after resection. Hematoxylin and eosin staining and exemplary immunohistochemical staining for CD20 and for CD3. (A, C) Intraoperative pictures of the tumor in situ. (B) Resected tumor mass. (D) Hematoxylin and eosin staining showing hyaline vascular subtype. (E) Immunohistochemical staining for CD20. (F) Immunohistochemical staining for CD3.Back to article page