Subtype Classification and Clinicopathological Features of Gastric Neuroendocrine Neoplasms: Experiences in 116 Chinese Patients

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Introduction: Gastric NEN are a heterogeneous group of tumors.

Aim(s): To investigate subtype classification and clinicopathological features of gNEN in Chinese pts.

Materials and methods: A total of 116 pts with gNEN were referred to our hospital from Jun 2012 to Oct 2015.They were subclassified into 4 types using the criteria: Well-differentiated gastric NET are classified into three types: type 1 (hypergastrinemia and achlorhydria, related to autoimmune chronic atrophic gastritis), type 2 (hypergastrinemia and ZES, related to gastrinoma or MEN1, type 3 (sporadic disease with normal serum gastrin level). Poorly differentiated NEC and MANEC belong to type 4. The clinicopathological features were analyzed.

Conference: 13th Annual ENETSConcerence (2016)

Presenting Author: Tan H

Authors: Zhang P, Zhang C, Luo J, Liu J, Deng B,

Keywords: gastric nen, type 1,