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©The Author(s) 2022.
World J Gastrointest Endosc. May 16, 2022; 14(5): 267-290
Published online May 16, 2022. doi: 10.4253/wjge.v14.i5.267
Published online May 16, 2022. doi: 10.4253/wjge.v14.i5.267
Table 1 World Health Organization 2019 Classification
| Terminology, grade | Differentiation | Mitotic count (HPF2) | Ki-67 index (%) |
| NET, G1 | Well-differentiated | < 2/10 | < 3 |
| NET, G2 | Well-differentiated | 2-20/10 | 3-20 |
| NET, G3 | Well-differentiated | > 20/10 | > 20 |
| NEC, G3 (small or large cell type) | Poorly differentiated | > 20/10 | > 20 |
- Citation: Canakis A, Lee LS. Current updates and future directions in diagnosis and management of gastroenteropancreatic neuroendocrine neoplasms. World J Gastrointest Endosc 2022; 14(5): 267-290
- URL: https://www.wjgnet.com/1948-5190/full/v14/i5/267.htm
- DOI: https://dx.doi.org/10.4253/wjge.v14.i5.267