Endocrine Abstracts

Introduction: Pheochromocytomas are tumors derived from the adrenal-medullary chromaffin cells that normally produce catecholamines. Rarely these tumors are non-secreting. In the assessment of a suspected pheochromocytoma, guidelines recommend dosing urinary or plasma metanephrines.Objective: To evaluate the prevalence of pheochromocytomas biochemically non-secreting and their differences.Methods: We searched all patients with meas...

Introduction: The presence of anti-thyroglobulin antibodies (ATG) can induce falsely lower thyroglobulin (Tg) values. The methods characteristics used for ATG measurement vary according to the equipment/reagent used. ATG at our centre is measured by Unicap.Objective: To assess if patients with negative ATG by Unicap® have different results with other equipment.Methods: A cross-sectional retrospective study was condu...