Review Article
Advances and Current Concepts in the Medical Management of Gastroenteropancreatic Neuroendocrine Neoplasms
Table 1
Novel pathological classification suggested.
| | | G1 NETS | G2 NETS | G3 NETS | G3 NEC |
| | Ki-67 index (% of positive cells per 100 counted cells) | <2 | 2–20 | >20 (20–50) | >20 (>50) | | Mitotic count (number of mitoses per 10 high-power field) | <2 | 2–20 | >20 | >20 | | Morphology | Well-differentiated | Well-differentiated | Well-differentiated | Poorly differentiated |
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NETS: neuroendocrine tumors.
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