Abstract library

43 results for "pituitary".
#89 Hyperplasia-adenoma sequence in pituitary carcinogenesis: new insight into the role of AIP gene
Introduction: Pituitary adenoma predisposition has been recently associated with germline mutations in the Aryl-Hydrocarbon Receptor Interacting Protein (AIP) gene. This association has been detected in familial and, more rarely, in sporadic cases. The mechanisms by which the AIP mutations promote pituitary adenoma development remain unknown.
Conference: 7th Annual ENETS Conference (2010)
Category: Basic
Presenting Author: MD Chiara Villa
#930 Distinct Expression of Splicing Variants of the Human MEN1 (Multiple Endocrine Neoplasia Type 1) Gene in Various Pituitary Adenomas
Introduction: MEN1 is an autosomal-dominant tumor syndrome characterized by the occurrence of tumors in multiple endocrine tissues, including parathyroid, enteropancreatic neuroendocrine and anterior pituitary. The MEN1 gene consists of 10 exons transcribed into a 610 a.a. protein. It was reported that heterogeneity of human MEN1 gene transcripts related to variation in their 5’ UTR. Six distinct exsons1 (e1A-e1F) were isolated using RNA from thymus, pancreas and kidney.
Conference: 11th Annual ENETS Conference (2014)
Category: Basic Science - Genetics, epigenetics, miRNAs
Presenting Author: Atsushi Ozawa
Keywords: MEN1, pituitary
#2227 Screening Benefits in MEN1-Associated Pituitary Adenomas
Introduction: MEN1 is an autosomal-dominant syndrome characterized by tumors of the parathyroid glands (95%), endocrine pancreatic-gastroenteric tract (40%), and pituitary gland (30%).
Conference: 15th Annual ENETS conference (2018)
Category: Epidemiology/Natural history/Prognosis- Registries, nationwide and regional surveys
Presenting Author: md Sabrina Chiloiro
#80 Metastatic growth hormone secreting pituitary carcinoma treated with peptide receptor radionuclide therapy
Introduction: Pituitary carcinoma (PC) is an extremely rare condition defined by the presence of adenohypophyseal neoplastic tissue outside the pituitary. Clinical experience regarding diagnosis, management and prognosis of PC is very limited. Growth hormone (GH) secreting PC is even rarer and represents a particular challenge to clinical practice. Therapeutic modalities utilized to treat PC include surgery, radiation, hormonal therapy, and cytotoxic drugs. Peptide Receptor Radionuclide Therapy (PRRT) is an emerging therapeutic modality that involves the targeted delivery of an ablative dose of radiolabelled somatostatin analog. PRRT has been applied to various neuroendocrine tumors and results in prolonged survival and enhanced quality of life. As yet, this therapy has not been applied to malignant pituitary tumors.
Conference: 7th Annual ENETS Conference (2010)
Category: Clinical
Presenting Author: Dr. Sameer Kassem
#1163 Mitotane, Adrenolitic Drug, Inhibits Cell Survival and Function of Several Pituitary Cytotypes
Introduction: Mitotane (DDD) is an adrenolytic agent that is used for the treatment of adrenocortical carcinoma. We previously demonstrated that DDD affects thyrotrope cell viability and function. These data represent a possible explanation of the biochemical picture consistent with central hypothyroidism in patients undergoing DDD therapy. DDD also inhibits corticotrope cell viability by inducing caspase-mediated apoptosis and reduces POMC expression as well as basal and CRH-induced ACTH secretion. Cells originating from tissues different from pituitary are not sensitive to the inhibitory effects of DDD. Our data suggest that DDD inhibits cell survival and function of many pituitary cytotypes, acting with a generalized, but specific, toxic effect.
The majority of male patients undergoing adjuvant DDD therapy show a clinical picture of hypogonadism, characterized by low free testosterone and unmodified LH concentration
Conference: 12th Annual ENETS Conference (2015)
Category: Basic Science - In vitro models, tumor growth, CTCs
Presenting Author: PhD Erica Gentilin
#2006 The Frequency of Patients with Giant Pituitary Tumors from Retrospective Data
Introduction: In this scientific article an author discusses the results of researches 121 patients with different by volume formations of sellar area, from them - men - 59 (48,9%), women - 62 (51,1%).
Conference: 15th Annual ENETS conference (2018)
Category: Epidemiology/Natural history/Prognosis- Registries, nationwide and regional surveys
Presenting Author: Professor Yulduz Urmanova
#111 Atypical lung carcinoid tumor metastatic to endocrine glands and bone marrow
Introduction: Bronchopulmonary neuroendocrine tumors (BP-NETs) comprise 20% of all lung cancers. Typical low grade carcinoid tumors (TC) represent the majority of BP-carcinoids. Intermediate grade atypical carcinoid tumors (AC) are less often encountered but more aggressive. Although metastatic dissemination to mediastinal lymph nodes, liver, skeleton and central nervous system (CNS) is common, involvement of the endocrine glands has rarely been reported.
Conference: 7th Annual ENETS Conference (2010)
Category: Clinical
Presenting Author: Dr Vasiliki Daraki
#157 Multiple Endocrine Neoplasia Type 1 (MEN-1), Hadassah-Hebrew University Medical Center experience
Introduction: MEN 1 is an autosomal dominant genetic disorder with a prevalence of 2-4 per 100,000. The main manifestations are parathyroid (PT), gastroenteropancreatic (GEP) and pituitary tumors, but may affect other organ systems as well. MEN 1 is associated with significant morbidity and mortality, with up to 50% dying before the age of 50. Treating MEN 1 patients presents a unique diagnostic and therapeutic challenge.
Conference: 7th Annual ENETS Conference (2010)
Category: Clinical
Presenting Author: Dr. Sameer Kassem
Authors: Kassem S, Glaser B, Barak D, Fraenkel M, ...
#1910 Acute Somatostatin Analog Suppression Test in a Patient with Thyrotropin-secreting Pituitary Macroadenoma
Introduction: Thyrotropin-secreting pituitary adenomas are rare and often plurihormonal tumours. The long-acting somatostatin analogues (SSA) are effective in cases not cured after surgery.
Conference: 14th Annual ENETS conference (2017)
Category: Clinical cases/reports
Presenting Author: MD, PhD Raluca Trifanescu
#2149 Symptomatic Hypothalamic-Pituitary Metastases Disclosing Malignant Paraganglioma
Introduction: A paraganglioma is a rare tumor composed of chromaffin cells. Malignant paraganglioma is a very rare presentation diagnosed by local recurrence after total resection of the primary mass or findings of distant metastasis. We report a case of a 34-year-old women with a Malignant paraganglioma presneting with visual loss and hypopituitarism resulting from metastasis to the pituitary area. The diagnosis of malignant paraganglioma was based on loco-regional and distant metastasis
Conference: 15th Annual ENETS conference (2018)
Category: Case reports
Presenting Author: Aicha Bengueddach
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