Hyperinsulinemic hypoglycemia due to diffuse nesidioblastosis in adults: A case report

Figure 1 Celiac angiography showing a hypervascular mass-like lesion in the pancreatic tail area (arrows).

Figure 2 Irregularly sized-dysplastic islets scattering randomly throughout the pancreas (A), islets in intimate association with ducts forming a so-called ductulo-insular complex (arrows indicate ductules within the islet) (B), islet cells (arrows) budding off the duct epithelium (C), insulin-positive islet cells (arrows) budding off the duct epithelium (immunohistochemical stain for insulin) (D).

Figure 3 An immunohistochemical study showing increased insulin producing β-cells (A), glucagon producing α-cells (B).