Pancreatic paraganglioma with draining vessels

Figure 2 Histological examinations of the pancreatic tumour. A: Macroscopic findings of the resected specimen. Arrows indicate the tumour in the pancreas head; B, C: Hematoxylin and eosin staining showing tumour cells in a Zellballen pattern at magnifications of × 10 (B) and × 200 (C); D: Immunohistochemistry of S-100 protein displaying S-100 protein-positive sustentacular cells surrounding the tumour cells (magnification × 200); E: Immunohistochemistry of epithelial membrane antigen displaying pancreatic duct branches remaining within the tumour (magnification × 100).