Abstract Library

#4453 Multiple sporadic neuroendocrine tumours: A diagnostic challenge

Introduction: Neuroendocrine tumours (NETs) show substantial clinical and histological heterogeneity. The presence of multiple primary NETs represents a diagnostic and therapeutic challenge as clinicians have to differentiate between primary and metastatic NETs.

Conference:

Presenting Author: Tsoli M

Authors: Tsoli M, Koumarianou A, Panagaki M, Ioannidou K, Kyriakopoulos G,

Keywords: neuroendocrine tumour, double primary, immunohistochemistry,

#3524 Correlation of loss of ATRX expression with scintigraphic imaging studies in pancreatic neuroendocrine neoplasms

Introduction: Somatic inactivating mutations of ATRX (α thalassemia/mental retardation syndrome X-linked) in pancreatic neoplasms (pNENs) are associated with aggressive phenotype and are considered an independent prognostic factor of poor overall survival.

Conference:

Presenting Author:

Authors: Tsoli M, Kyriakopoulos G, Daskalakis K, Chatziioannou S, Alevroudis E,

Keywords: ATRX, somatostatin receptor scintigraphy, FDG-PET/CT,

#3286 MEN1 syndrome and neuroendocrine tumor of unknown primary

Introduction: Multiple Endocrine Neoplasia type 1 (MEN1) is a hereditary condition associated with tumors of endocrine glands. NeuroEndocrine Neoplasms (NENs) are characterized as rare neoplasms.

Conference: 18th Annual ENETS Concerence (2021)

Presenting Author: Tsoukalas N

Authors: Tsoukalas N, Sakellaridis T, Kyriakopoulos G, Arvanitou E, Tsitsimpis A,

Keywords: neuroendocrine neoplasm, multiple endocrine neoplasia type 1 (MEN1), unknown primary, atypical carcinoid of thymus,

#3278 Simultaneously diagnosis of neuroendocrine neoplasm of unknown primary and breast cancer

Introduction: NeuroEndocrine Neoplasms (NENs) are considered rare neoplasms and can be developed in all organs.

Conference: 18th Annual ENETS Concerence (2021)

Presenting Author: Tsoukalas N

Authors: Tsoukalas N, Binas I, Kyriakopoulos G, Tassi V, Theodoroulea K,

Keywords: neuroendocrine neoplasm, intestinal, gastric, unknown primary, somatostatin analogues,

#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,