Abstract library

1000 results for "signet ring cell carcinoma".
#558 MANECs Among Colorectal Signet Ring Cell Carcinomas
Introduction: The mixed adenoneuroendocrine carcinomas (MANEC, WHO 2010) are neoplasms with heterogeneous morphology, whose mixed nature may be difficult to recognize.
Conference: 9th Annual ENETS Conference (2012)
Category: Basic
Presenting Author: MD Gratiana Hermann
#622 Evaluation of Mucin and Neuroendocrine Expression in Diffuse Gastric Cancer with Signet Ring Cell Morphology
Introduction: A proportion of diffuse gastric carcinoma, according to the Lauren classification system, has signet ring cell morphology. Signet ring cells are characterized by a peripherally placed nucleus and a central amorphous substance, which is reported to be mucin based on Periodic Acid Schiff positivity (PAS). PAS is not a specific staining method for mucin. Neuroendocrine expression has previously been reported in tumor cells in diffuse type gastric cancer.
Conference: 10th Annual ENETS Conference (2013)
Category: Basic Science - mTOR and other pathways, signalling, receptors
Presenting Author: MD, PhD Øystein Sørdal
#1400 Versatile Goblet Cell Carcinoma of the Appendix - A Case Presentation
Introduction: Goblet cell carcinoma of the appendix is a rare tumor that can be classified as a subtype of mixed adeno-neuroendocrine carcinomas.
Conference: 13th Annual ENETS conference (2016)
Category: ...none of the above
Presenting Author: MD Ioana Maria Lambrescu
#1123 Clinicopathologic Characteristics of Gastric Amphicrine Carcinoma at a Single Institution
Introduction: Amphicrine carcinoma that shows evidence of duel neuroendocrine and epithelial differentiation occurs in the same cell is rare.
Conference: 12th Annual ENETS Conference (2015)
Category: Clinical cases/reports
Presenting Author: Dan Huang
Authors: Huang D, Sheng W, ...
#1168 Simultaneous Large Cell Neuroendocrine Carcinoma and Adenocarcinoma of the Stomach: A Case Report and Literature Review
Introduction: Large cell neuroendocrine carcinoma (LCNEC) of the stomach is rare. Gastric NEC occasionally has another component, such as adenocarcinoma, in the same tumor. However, the concurrent occurrence of LCNEC and adenocarcinoma at different sites in the stomach is extremely rare.
Conference: 12th Annual ENETS Conference (2015)
Category: Clinical cases/reports
Presenting Author: MD Shoichi Nakazuru
#1536 Merkel Cell Carcinoma – Epidemiology Data from the Czech National Cancer Registry
Introduction: Merkel cell carcinoma (MCC) is rare and aggressive neuroendocrine tumor. The incidence is increasing worldwide, most probably due to population aging (mostly in the Western Europe), higher rates of sun exposure, immunosuppression and other not well defined epigenetic changes.
Conference: 13th Annual ENETS conference (2016)
Category: Epidemiology/Natural history/Prognosis - Registries, nationwide and regional surveys
Presenting Author: MD,PhD Viera Bajciova
#1726 A Long-Term Complete Response (CR) of Avelumab in Patient (pt) with Advanced Merkel Cell Carcinoma (MCC)
Introduction: MCC is a rare and aggressive cutaneous neuroendocrine cancer linked to exposure to the Merkel Polyomavirus (MCPyV). Cisplatin and VP16 chemo may be an effective treatment for metastatic MCC, but responses are often transient. The blockade of programmed death 1 (PD-1) immune inhibitory pathway by avelumab, an anti-PD-L1 checkpoint inhibitor, is being investigated in solid neoplasms. This strategy can also be of interest in MCC because these tumors often express PD-L1
Conference: 14th Annual ENETS conference (2017)
Category: Clinical cases/reports
Presenting Author: MD Sara Pusceddu
#801 Normal Gastrointestinal Neuroendocrine Cells Lack E-cadherin
Introduction: E-cadherin plays a crucial role in the adhesion between epithelial cells and thus epithelial integrity. Moreover, germ line mutations in the E-cadherin gene (CDH1) causing loss of E-cadherin function (adhesion) leads to hereditary gastric cancer of the diffuse type, according to Laurén. Even sporadic gastric carcinomas of the diffuse type often lose E-cadherin expression due to mutations. Lack of E-cadherin has been recorded at an early phase in such carcinomas.
Conference: 11th Annual ENETS Conference (2014)
Category: Basic Science - mTOR and other pathways, signalling, receptors
Presenting Author: Øyvind Hauso
#67 Interest of combined chromogranin A and pancreatic polypeptide for diagnosis and follow-up of gastroenteropancreatic endocrine carcinoma
Introduction: Assessment of tumor burden changes is essential for the management of well-differentiated gastroenteropancreatic neuroendocrine carcinoma (GEPNET). Chromogranin A (CgA) is the principal tumor marker for such tumors; however, its use to evaluate morphological tumor progression is not validated. Combined CgA and pancreatic polypeptide (PP) may increase sensitivity in the diagnosis of GEP-NET.
Conference: 7th Annual ENETS Conference (2010)
Category: Basic
Presenting Author: Dr Thomas WALTER
#751 Natural History of Resectable Large Cell Neuroendocrine Carcinoma of the Lung
Introduction: Lung large cell neuroendocrine carcinomas (LCNEC) are rare poorly differentiated carcinoma. Their natural history after surgery has been seldom studied.
Conference: 10th Annual ENETS Conference (2013)
Category: Non digestive NETs (bronchial, MTC, pheochromocytoma)
Presenting Author: Francesca Marciello
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