Endocrine Abstracts

Introduction: Paragangliomas (PGLs) are rare neuroendocrine tumors that arise from sympathetic or parasympathetic extra-adrenal paraganglia. PGLs have an extremely variable clinical presentation, depending on the localization, tumor size, catecholamine production, compressive symptoms, etc. Germline mutations in PGLs are associated in 30-35% of patients. Mutation in genes encoding the subunits of succinate dehydrogenase (SDH) leads to an increased risk of metastasis, specially...

Introduction: Syndrome of Inappropriate Antidiuretic (SIAD) is the most frequent cause of hyponatremia in parenteral nutrition (PN) patients. Moreover, SIAD may be caused by multiple etiologies (drugs; pulmonary, neurological or abdominal disorders; malignant disease; idiopathic…). Our objective was to evaluate the main etiologies of SIAD in patients receiving PN.Methods: Prospective, non-interventional, multicenter study in 19 Spanish hospitals. F...