J.-Y. Scoazec
Oncologie, Vol.21, No.2, pp. 119-124, 2019, DOI:10.3166/onco-2019-0052
Abstract The WHO classification of the tumors of endocrine
organs, published in July 2017 and that of digestive tumors,
released in July 2019, have introduced significant changes in
the classification of gastro-entero-pancreatic neuroendocrine
tumors (NETs), which was unchanged since 2010. The main
change is a new category of well-differentiated neoplasms,
NET G3, in addition to the two previous categories NET G1
and NET G2. The other changes are: 1) the cut-off in Ki-67
index between NET G1 and G2, now set at 3%, 2) the term
used for mixed tumors: MiNEN (mixed neuroendocrine-non
neuroendocrine neoplasm) instead… More >