Abstract library

252 results for "malignant gastrinoma".
#2933 The Clinicopathological Characteristics of Gastrinoma: A Single-Center Retrospective Study
Introduction: Gastrinoma is a rare functional neuroendocrine tumor leading to gastrin hypersecretion and hyperchlorhydria.
Conference: 17th Annual ENETS Conference 2020 (2020)
Category: Medical treatment - others, not specified
Presenting Author: Professor Jie Chen
Authors: Zhang Y, Liu M, Chen L, Guo Y, ...
#3006 Teratoma with Malignant Transformation: A Case Report of a Neuroendocrine Tumor That Arises from the Bronchial Mucosa in a Mature Cystic Teratoma
Introduction: Mature cystic teratoma (MCT) is the most common type of germ cell tumor in the ovary. A malignant tumor that arises in a pre-existing mature teratoma is called teratoma with malignant transformation (TMT).
Conference: 17th Annual ENETS Conference 2020 (2020)
Category: Case reports
Presenting Author: MD Anna La Salvia
#2954 Aggressive Resection - A Treatment Option in Patients with Advanced Neuroendocrine Tumors
Introduction: Different treatment modalities have been considered for patients with malignant advanced neuroendocrine tumors(NETs) of the pancreas and duodenum.Aggressive surgery remains a controversial yet an efficacious antitumor therapy.
Conference: 17th Annual ENETS Conference 2020 (2020)
Category: Surgical treatment and Ablative Therapies
Presenting Author: Doctor Azka Athar
Authors: Athar A, ...
#2691 Somatostatin Analogs in Patients with Zollinger Ellison Syndrome (ZES): An Observational Study
Introduction: Zollinger Ellison syndrome (ZES) is a rare syndrome caused by gastrin hypersecretion from a primary neuroendocrine tumor (NET), usually located within the duodenum or into the pancreas. Gastrinomas have two important treatment goal: the control of the gastrin-excess state and the control of tumor growth.
Conference: 17th Annual ENETS Conference 2020 (2020)
Category: Medical treatment - Chemotherapy Somatostatin analogues, Interferon
Presenting Author: dr Sara Massironi
#21 Peptide Receptor Radioligand Therapy (PRRT) is an Effective Treatment for the Long-Term Stabilization of Malignant Gastrinomas
Introduction: Gastrinomas represent a rare group of neuroendocrine tumors usually located in the duodenum or pancreas. They secrete gastrin, which is responsible for the clinical picture of severe acid-related peptic disease and diarrhea, known as the Zollinger-Ellison syndrome (ZES). While symptomatic control may be achieved with proton-pump inhibitors (PPIs) and somatostatin analogues (SSAs) treatment, little data is known regarding the possible anti-tumor effect of the peptide receptor radioligand therapy (PRRT) in gastrinoma patients.
Conference: 7th Annual ENETS Conference (2010)
Category: Clinical
Presenting Author: Dr. Simona Grozinsky-Glasberg
#106 Gastroenteropancreatic neuroendocrine tumors: single institution clinicopathological study
Introduction: Neuroendocrine cells are widely distributed throughout the body, and neoplasms from these dispersed cells can arise at many sites. They are distinguished into two broad categories: 1) Tumors identified as small cell lung carcinomas with biology and natural history of a high-grade malignancy and characteristics of small cell undifferentiated or anaplastic appearance by light microscopy. The WHO categorizes these tumors as poorly-differentiated neuroendocrine carcinomas; 2) Well-defined neuroendocrine tumors (NETs) with variable, but most lyindolent biologic behavior and characteristic well-differentiated histologic features. The majority arise in the gastrointestinal tract and collectively they are referred as gastroenteropancreatic neuroendocrine tumors (GEP/NETs). They include carcinoid tumors, pancreatic islet cell tumors (gastrinoma, insulinoma, glucagonoma, VIPoma, somatostatinoma), paragangliomas, pheochromocytomas, and medullary thyroid carcinomas. The WHO classifies the GEP/NETs as well-differentiated NETs (carcinoid tumors) if they are noninvasive and have benign behavior or uncertain malignant potential. In contrast, GEP/NETs with characteristics of low-grade malignancy with invasion of the muscularis propria or beyond, or metastases, are characterized as well-differentiated neuroendocrine carcinomas (malignant carcinoids). Pancreatic islet cell tumors, whether functioning or not, are classified as well-differentiated NETs or well-differentiated neuroendocrine carcinomas, due to the (depending on) histologic characteristics. The WHO classification for gastroenteropancreatic NETs based on stage (ie size and presence of metastases) and grade (mitotic rate, perineural and lymphovascular invasion, Ki-67 proliferative index) categorizes them as well-differentiated NETs, e.g., carcinoid tumors, or as well-differentiated neuroendocrine carcinomas.
Conference: 7th Annual ENETS Conference (2010)
Category: Clinical
Presenting Author: Dr Michael M. Vaslamatzis
#178 Treatment with 177Lutetium-DOTA-Tyr3-octreotate in Patients with Neuroendocrine Tumors
Introduction: Neuroendocrine tumors express somatostatin receptors. Treatment with radiolabelled somatostatin analogs has been used for more than 10 years. Useful isotopes are 111Indium, 99Yttrium and 177Lutetium.
Conference: 8th Annual ENETS Conference (2011)
Category: Clinical
Presenting Author: Ass Prof Dan Granberg
#419 Morphological Characteristics of Pancreatic Tumors in Children and Young Patients
Introduction: Pancreatic tumors (PT) usually occur after age 60 and almost never in children and young patients (pts). Little is known concerning frequency, morphological and immunohistochemical (IHC) characteristics of PTs in children and young pts.
Conference: 9th Annual ENETS Conference (2012)
Category: Basic
Presenting Author: I Voronkova
#525 Pancreatic Neuroendocrine Tumors Associated with Mesenchimal Neoplasms of the GI Tract
Introduction: Neuroendocrine pancreatic tumors (NPT) are occasionally associated with mesenchimal tumors in neurofibromatosis type 1 but rarely in sporadic cases. We report five cases of NPT associated with other rare mesenchimal neoplasms of the GI tract, observed in our Department from 2003 to 2011.
Conference: 9th Annual ENETS Conference (2012)
Category: Clinical
Presenting Author: Prof. Claudio Pasquali
#546 Treatment of Malignant Neuroendocrine Tumors of the Hepatopancreatododenal Region
Introduction: The incidence of malignant NETs of the hepatopancreatoduodenal region is currently set at 10-15 cases per 100,000 people. Patient treatment and prognosis differ from those with adenocarcinoma.
Conference: 9th Annual ENETS Conference (2012)
Category: Clinical
Presenting Author: Ivan Vasiliev