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Fig. 5 | Surgical Case Reports

Fig. 5

From: Pancreatic neuroendocrine tumor with stenosis of the main pancreatic duct leading to pancreatic pleural effusion: a case report

Fig. 5

Findings of histopathological analysis. The tumor appears as a solid neoplastic lesion covered with a fibrotic capsule, and it measures 19 × 17 × 14 mm. Hematoxylin and eosin (HE) staining shows fibrosis. a HE, low-power microscopic view. The main pancreatic duct (square) is compressed by the tumor and narrowed. b HE, high-power microscopic view. In the tumor, eosinophilic cells show a ribbon-like arrangement. c Each cell shows swollen nuclei, anisonucleosis, and atypia. There were 9 mitoses observed in 10 high-power fields

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