Classification/grade | Ki-67 proliferation index* (percent) | Mitotic index* |
Well-differentiated PanNENs: Pancreatic neuroendocrine tumours (PanNETs) | ||
PanNET G1 | <3 | <2 |
PanNET G2 | 3 to 20 | 2 to 20 |
PanNET G3 | >20 | >20 |
Poorly differentiated PanNENs: Pancreatic neuroendocrine carcinomas (PanNECs) | ||
PanNEC (G3) | >20 | >20 |
Small cell type | ||
Large cell type | ||
Mixed neuroendocrine-non-neuroendocrine neoplasm |
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