Abstract Library

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#2861 Targeted Next Generation Sequencing Analysis Reveals the Genetic Characteristics of Gastric Neuroendocrine Neoplasmas

Introduction: there are abundant information about the clinical therapy and pathological features of gastric neuroendocrine neoplasms (gNENs) but little about its genetic characteristics.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author: Chen H

Authors: Huang C, Yanfen S, Yuanliang L, Xiaowei W, Huangying T,

Keywords: gastric neuroendocrine neoplasms, SNV, CNV,

#2781 Case Report: Whole Exon Sequencing of Primary Lesion and Metastatic Liver Lesion in Pancreatic Neuroendocrine Tumor

Introduction: Pancreatic neuroendocrine neoplasms(NENs) are classified into neuroendocrine tumors (NET) G1, G2, G3, and neuroendocrine carcinoma (NEC), which are different pathogenesis. The two kinds of tumors that occurs in the same lesion in one patient is very rare. We found high grade neuroendocrine neoplasms(NENG3) with a diameter of 0.1 cm in a patient with a pancreatic NETG2 (1.7 cm in diameter). The cells were significant atypia with Ki67 index of 60%, focal necrosis, while metastatic nodules in the liver (12, 0.1-1.1 cm in diameter) were all high grade NENG3.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: Shi Y, Zhong D, Li Y, Niu Y, Tan H,

Keywords: pancreatic neuroendocrine neoplasms, whole exon sequencing, TRIOBP signaling pathway, MDM4,