Abstract Library

#4039 Long-term natural history of enterochromaffin-like cell (ECL) hyperplasia

Introduction: Enterochromaffin-like cell (ECL) hyperplasia in the context of autoimmune atrophic gastritis, over a period of time, can progress to gastric neuroendocrine tumors (g-NETs) type 1.

Conference:

Presenting Author:

Authors: Karapanagioti A, Panagaki M, Ioannidou K, Papadopoulou N, Kaltsas G,

Keywords: ECL hyperplasia, g-NET type 1, gastrin,

#3751 Grade 2 gastric carcinoids type 1 – Not always an indolent disease

Introduction: Gastric carcinoids type 1 (GC1) are increasingly recognized and are usually well-differentiated grade 1 neoplasms. However, rare cases of metastatic spread and adverse prognosis have been described in the literature.

Conference:

Presenting Author:

Authors: Tsoli M, Koumarianou A, Karapanagioti A, Daskalakis K, Panagaki M,

Keywords: gastric carcinoid, grade 2,

#3166 Aberrant expression pattern of circadian clock genes in type 1 gastric neuroendocrine neoplasms compared to ECL-cell hyperplasia

Introduction: There is a continuity of changes from ECL-cell hyperplasia to type 1 gastric neuroendocrine neoplasms (GNEN1) development with important clinical implications.

Conference: 18th Annual ENETS Concerence (2021)

Presenting Author: Daskalakis K

Authors: Karapanagioti A, Daskalakis K, Nasiri-Ansari N, Vlachou E, Kyriakopoulos G,

Keywords: GNEN1, ECL-cell hyperplasia, CLOCK genes, circadian rythmicity,

#2284 The Association between Gastrin and Glucose Serum Concentration in Hypergastrinemic Patients with Gastric Neuroendocrine Tumors Type 1 and ECL-Cells Hyperplasia

Introduction: There is previous data demonstrating that elevated gastrin levels could exert some effect potentiating the glucose-induced insulin secretion.

Conference: 15th Annual ENETSConcerence (2018)

Presenting Author: Mavroeidi V

Authors: Moschouris P, Mavroeidi V, Nikolopoulos G, Tsoli M, Karapanagioti A,

Keywords: Gastric Neuroendocrine Tumors Type 1, ECL-Cells Hyperplasia, gastrin, glucose,