Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 28, 2012; 18(40): 5799-5806
Published online Oct 28, 2012. doi: 10.3748/wjg.v18.i40.5799
Table 1 World Health Organization 2010 classification and suggested grading of neuroendocrine neoplasms of the digestive system[20]
ClassificationGrading
GradeMitotic count (per 10 HPF)Ki-67 index (%)
NETG1< 2< 2
NETG22–203-20
NECG3> 20> 20