Primary pancreatic paraganglioma: A report of two cases and literature review

Figure 2 Forty-one-year-old woman was found to have an upper abdominal mass on ultrasound examination 6 d earlier. A: On coronal reconstruction imaging, a well-demarcated mass (arrows) was found with marked enhancement in the arterial phase after contrast enhancement; B: Under microscopic examination, a few cells had large nuclei with hyperchromatism and pink cytoplasm, arranged in organ-like or nest-like structures (arrows) (hematoxylin-eosin; original magnification, 200 ×); C: Immunohistochemistry showed positive staining for synaptophysin (200 ×).