Review
Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. Apr 16, 2015; 7(4): 346-353
Published online Apr 16, 2015. doi: 10.4253/wjge.v7.i4.346
Table 2 Histological grading of gastrointestinal neuroendocrine neoplasms
ENETSgradingMitotic index(× 10 HPF)Ki-67 proliferationindex (%)WHO classification 2010
G1< 2 ≤ 2NET G1 (carcinoid)
G22-203-20NET G2
G3> 20> 20NEC G3; large-cell or small-cell type