Figure 3From: Resection of a malignant paraganglioma located behind the retrohepatic segment of the inferior vena cava Histological and immunohistochemical analyses of the retroperitoneal paraganglioma. (A) Hematoxylin and eosin staining of the resected specimen (magnification, 100×; scale bar = 100 μm). (B and C) Immunohistochemical staining for (B) S100 protein and (C) synaptophysin (magnification, 400×; scale bar = 50 μm).Back to article page