Abstract library

7 results for "mesentery".
#1006 The Use of Endoluminal Stents to Overcome Vascular Obstruction Arising from Mesenteric and Retroperitoneal Neuroendocrine Metastases
Introduction: Gastroenteropancreatic neuroendocrine tumors (GEP-NET) often metastasise to lymph nodes. Nodal metastases from neuroendocrine tumors in the distal small intestine commonly (>50%) develop in the mesentery and are often centred at the mesenteric root surrounding the major vessels supplying the bowel. Compression of these vessels, by the nodes or associated fibrosis, can lead to severe symptoms such as pain (secondary to bowel ischaemia ), ascites (from superior mesenteric vein obstruction) and bowel perforation. In view of the often indolent nature of GEP-NET, symptoms from lymph node masses can persist for years, causing significant morbidity and early mortality.
Conference: 11th Annual ENETS Conference (2014)
Category: Clinical cases/reports
Presenting Author: Dr Alan Anthoney
#1078 Somatostatin Responsive ACTH and Precursor Excess in a Midgut Mesentery NET
Introduction: ACTH production from a midgut mesentery NET is extremely rare (1). A 62y old woman presented with hypokalaemia (2mmol/L) and hyperpigmentation, 11y after surgery of a pT3N1Mx non-functional G1 NET with SRS positive, non-resectable but stable, residual mass encasing mesenteric vessels. Serum cortisol (3261 nmol/L), ACTH (796 ng/L), CgA (530 pmol/L) and urine total cortisol metabolites (33920 µg/24h) including 14 sub-products indicated change of biological behaviour into a functioning NET. Pituitary or pulmonary sources were excluded
Conference: 12th Annual ENETS Conference (2015)
Category: Medical treatment - SMS analogues, interferon
Presenting Author: Dr., Ass Prof. Martin O. Weickert
#556 Unresectable Mesenteric Midgut NETs: Are They a Unique Prognostic Category?
Introduction: Patients with lymph-node positive midgut NETs (stage IIIB) represent a heterogeneous group. While some have microscopic lymph node involvement on pathological evaluation, others may develop large, desmoplastic, unresectable tumors in the root of the mesentery.
Conference: 9th Annual ENETS Conference (2012)
Category: Clinical
Presenting Author: Dr. Jonathan Strosberg
#200 Genome-Wide MicroRNA Expression in Small Intestine Neuroendocrine Tumors (“Midgut carcinoids”): Upregulation of miRNA-182, miRNA-183 and Downregulation of miRNA-215
Introduction: MicroRNAs (miRs) may regulate cell proliferation, differentiation, apoptosis and function as tumor suppressors or oncogenes. MiR expression is not characterized in neuroendocrine midgut carcinoids.
Conference: 8th Annual ENETS Conference (2011)
Category: Basic
Presenting Author: PhD student Su-Chen Li
#424 Role of MicroRNAs in Small Intestine Neuroendocrine Tumors
Introduction: Small intestinal neuroendocrine tumors (SI-NETs) arise from enterochromaffin cells, which belong to the endocrine system. MicroRNAs (miRs) are post-transcriptional regulators. They control multiple biological processes often functioning either as tumor suppressor genes or oncogenes.
Conference: 9th Annual ENETS Conference (2012)
Category: Basic
Presenting Author: Su-Chen Li
Authors: Li S C, Martijn C, Essaghir A, Lloyd R, ...
#583 Olfactory Receptor 51E1 is a Potential Novel Tissue Biomarker for the Diagnosis and Prognosis of Small Intestine Neuroendocrine Tumors
Introduction: Small intestine neuroendocrine tumor (SI-NET) patients get late diagnosis. We reported olfactory receptor 51E1 (OR51E1) as a SI-NET-mRNA marker.
Conference:
Category: Basic
Presenting Author: Mr TAO CUI
#1274 Carcinoid Tumors Presenting as Appendicitis
Introduction: Many conditions related to appendix present as appendicitis. These conditions can range from fecolith obstruction to tumors .Carcinoid tumors are most common tumors to present in appendix. Most of the carcinoid tumors in appendix present as appendicitis. Majority of the cases are diagnosed after histopathological examination. Tumors with the size of 2cm are treated with right hemicolectomy.
Conference: 13th Annual ENETS conference (2016)
Category: Clinical cases/reports
Presenting Author: Arooj Fatima
Authors: Fatima A, ...
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