case_images: PMC5933474_01
case_images: Computed tomography scan showing a 2 cm mass (arrow) in the pancreaticoduodenal groove near D1-D2.
case_images: fig-1.jpg
case_images: PMC5933474_01_fig-1.jpg
case_images: f1
case_images: Owing to some vague abdominal pain, she underwent a computed tomography scan that showed a 2 cm mass extending extrinsically from the pancreaticoduodenal groove (Fig. 1).
case_images: (a) H + E stain of the well-differentiated pancreatic neuroendocrine tumor at 20x power; (b) H + E stain of liver metastasis at 10x power; and (c) Gastrin stain (+) liver metastasis at 20x power. H+E, hematoxylin and eosin stain.
case_images: fig-2.jpg
case_images: PMC5933474_01_fig-2.jpg
case_images: f2
case_images: The liver biopsy showed features similar to the PNET and stained positive by immunohistochemistry for gastrin (Fig. 2).