Abstract library

2102 results for "heterotopic pancreas in jejunum".
#740 Heterotopic Pancreatic Tissue Located in the Subserosa of the Jejunum: A Case Report
Introduction: Ectopic pancreas is defined as pancreatic tissue in an abnormal location with no ductal, anatomical, neuronal or vascular communication with the main body of the pancreas. The incidence of heterotopic pancreas in autopsy studies is approximately 0.6 - 15%, while the clinical incidence is 1 in 500 laparotomies. Ectopic pancreatic tissue can be present anywhere along the gastrointestinal tract.
Conference: 10th Annual ENETS Conference (2013)
Category: Clinical cases/reports
Presenting Author: MD Christos Barkolias
#1283 Heterotopic Pancreas Mimicking a Gastrointestinal Neuroendocrine Tumor: A Case Report
Introduction: Heterotopic pancreas, defined as an atypical presence of pancreatic tissue with no anatomic or vascular continuity with the pancreas, is relatively rare. In most cases it is diagnosed during autopsy or incidentally, since it becomes symptomatic only in few cases, causing bleeding, pain or obstruction.
Conference: 13th Annual ENETS conference (2016)
Category: Clinical cases/reports
Presenting Author: dr Sara Massironi
#110 Slug represents an important regulator of E-cadherin expression in neuroendocrine tumor cells of the pancreas
Introduction: Neuroendocrine tumors of the pancreas form an inhomogenous group of epithelial neoplasms. They differ from other types of pancreatic cancers by showing an extended survival of patients, which is due to a mostly slow proliferation rate of the tumor. However, some of these neuroendocrine tumors are characterized by an early onset of metastases, which cannot be predicted by any available method. The epithelial to mesenchymal transition (EMT) represents a central part of cell migration and metastasis. During EMT, cells loosen their cellular contacts, leave the tissue, and become migrating single cells. One of the integral compounds of cell adhesion represents the E-cadherin adhesion module, which contains mostly E-cadherin and several catenins. A loss of this adhesion module is associated with tumor progression, migration and metastasis in many types of cancer.
Conference: 7th Annual ENETS Conference (2010)
Category: Basic
Presenting Author: Dr Alexander König
#87 Alterations of E-cadherin, beta-catenin and caveolin-1 expression in gastroenteropancreatic neuroendocrine tumors
Introduction: Gastroenteropancreatic neuroendocrine tumors (GEP NETs) comprise a heterogeneous group of neoplasm with different histological patterns and biological behavior. Only limited information is available on immunohistochemical prognostic factors of disease. Alterations in the cell-cell adhesion system are closely associated with cell invasion and metastasis in many malignancies, including those of endocrine origin. Abnormal expression of E-cadherin and beta-catenin has been reported to play an important role in these processes. Caveolin-1 has recently been identified as a tumor metastasis modifier factor, which might increase the cell metastasis potential through the interaction with E-cadherin. However, the role of caveolin-1 in GEP NETs cell invasion remains unknown.
Conference: 7th Annual ENETS Conference (2010)
Category: Clinical
Presenting Author: Vera V Delektorskaya
Authors: Delektorskaya V, Chemeris G, ...
#535 Epidemology of Neuroendocrine Tumors in Ontario: A 15-year Population-Based Study
Introduction: A recent study of the SEER database in the United States showed a 5-fold increase in neuroendocrine tumors (NETs) over the last 30 years. Conflicting reports of incidence trends have been reported worldwide.
Conference: 9th Annual ENETS Conference (2012)
Category: Clinical
Presenting Author: Dr. Simron Singh
Authors: Singh S, Cukier M, Saskin R, Liu N, ...
#1344 Reassessment of Proliferative Activity at Disease Progression in Neuroendocrine Neoplasms
Introduction: Ki67 is a key factor influencing prognosis and treatment in NENs. However, whether repeating histology at time of progression of disease (PD) is debated
Conference: 13th Annual ENETS conference (2016)
Category: Pathology, grading, staging
Presenting Author: Dr. Francesco Panzuto
#1689 The Prognostic Value of the Expression of Cytokeratin 7 and 19 in Lungs and Pancreas Neuroendocrine Tumors
Introduction: The expression of cytokeratins (CK) 7,19 rarely occurs in the low grade neuroendocrine tumors (NET) of lung and pancreas. It is known that part of the low grade typical (TC) and atypical (ATС) carcinoids of lung and pancreas (pNET-G1,G2) can progress quickly and to metastasize. It is important to distinguish NET with a less differentiated cells immunophentype.
Conference: 14th Annual ENETS conference (2017)
Category: Pathology, grading, staging
Presenting Author: Iya A Voronkova
#2019 Gastroenteropancreatic Neuroendocrine Neoplasms (GEP-NENs) in the Czech NEN Registry 2009-2016: Histologic Spectrum and Clinicopathological Features
Introduction: Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) represent a group of uncommon, but clinically significant diseases. The data published so far have shown significant regional differences in their incidence and appearance in individual primary sites.
Conference: 15th Annual ENETS conference (2018)
Category: Epidemiology/Natural history/Prognosis- Registries, nationwide and regional surveys
Presenting Author: MD Jaroslava Barkmanova
#279 Coexistence of a Somatostatin-Producing Carcinoma of Duodenum and a Jejuna Gastrointestinal Stromal Tumor (GIST) in a Patient with Von Recklinghausen’s Disease
Introduction: Duodenal neuroendocrine tumors comprise 2-3% of all neuroendocrine tumors of the gastrointestinal tract. Coexistence of NF-1, NET and GIST is rare and only five cases have been described in the literature.
Conference: 8th Annual ENETS Conference (2011)
Category: Clinical
Presenting Author: Dr Vasiliki Daraki
#1594 The Epidemiological Study of Neuroendocrine Neoplasms: A Single-Center Retrospective Analysis of 710 Patients in China
Introduction: China hasn’t established a national database of NENs yet, thus, this epidemiological report is based on a single-center retrospective analysis.
Conference: 14th Annual ENETS conference (2017)
Category: Epidemiology/Natural history/Prognosis - Registries, nationwide and regional surveys
Presenting Author: Prof. Huang-Ying Tan
Authors: Qiu X D, Zhang P, Luo J, Liu J X, ...
Keywords: NEN, epidemiology
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