A Better Ki-67 Index Cutoff to Redefine Low Grade NET and High Grade NEC in Grade 3 Gastroenteropancreatic Neuroendocrine Neoplasms Abstract #1693

Introduction: Heterogeneity of Grade 3 (G3) gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) was reported and well-differentiated G3 NET (neuroendocrine tumor) was classified by previous studies.
Aim(s): To evaluate the role of Ki-67 index in the heterogeneity assessment of G3 patients and to identify prognostic factors for G3 patients.
Materials and methods: Clinical data of 223 patients with G3 GEP-NENs presenting to the Wuhan Union Hospital and the First Affiliated Hospital of Sun Yat-Sen University from 2009 to 2015 was analyzed.
Conference: 14th Annual ENETS conference 2017 (2017)
Category: Pathology, grading, staging
Presenting Author: Jie Chen

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