Subclinical paraganglioma of the retroperitoneum: A case report

Figure 2 Gross features and pathologic characteristics of the resected tumor. A: Gross features of the tumor; B: Tumor hematoxylin and eosin staining (× 400); C: Cluster of differentiation 56 positive (× 400); D: Chromogranin positive (× 400); E: Synaptophysin positive (× 400); F: Soluble protein-100 positive (× 400); G: Insulinoma-associated protein 1 positive (× 400); H: Succinate dehydrogenase type B positive (× 400).