PMC5910515_01
Imaging findings.. The arterial phase enhanced, multi-detector computed tomography image shows wellenhanced tumors in the head of pancreas, along with high 18F-fluorodeoxyglucose accumulation, but no mass in the body and tail.
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Abdominal contrast-enhanced CT showed a 2.5-cm plethoric tumor in the head of the pancreas (Fig. 1).
Pathological findings.. The image shows a gross cross-section of the head of the pancreas demonstrating a solid and whitish mass. The solid tumor was a well-differentiated pancreatic endocrine neoplasm with clear cytoplasm (hematoxylin-eosin, x200). Many cells stained positive chromogranin, and the Ki-67 index was 10-15%.
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Thus, the 2.5 x 1.5-cm pancreatic head tumor was classified as a T3N0M0 fStage II A NET G2 in accordance with the Union for International Cancer Control TNM 7th edition and WHO 2010 criteria (Fig. 2).