Endocrine Abstracts

Introduction: Biochemical testing for Paraganglioma/Pheochromocytoma (PGL/PHEO) is recommended in patients with classical symptoms, in those harbouring an adrenal incidentaloma and in patients who have a hereditary risk for developing a PGL/PHEO. Measurements of plasma free metanephrines and/or urinary fractionated metanephrines provide a highly sensitive test for diagnosis but false-positive results remain a problem.Aim: Comparative analysis of plasma a...

Background: Calcitonin is a hormone secreted by thyroid C cells, and is considered an excellent marker for medullary thyroid carcinoma (MTC). However, the use of calcitonin to screen patients with nodular thyroid disease (NTD) remains controversial.Objective: Defining the frequency of hypercalcitoninemia among NTD patients followed at a tertiary referral hospital.Methods: Retrospective analysis of basal calcitonin measurements and ...

Introduction: Prevalence of hypothyroidism is 2–5% in women in the reprodutive age group. Hypothyroidism can affect fertility due to anovulatory cycles, luteal phase defects, hyperprolactinemia and sex hormones imbalance. Some data also report that TSH levels are inversely proportional to the fertilization rate at ART (assisted reproductive technologies).Objective: To evaluate if a relationship exists between pregnancy rates in women undergoing ...