Searchable abstracts of presentations at key conferences in endocrinology

ea0099p223 | Adrenal and Cardiovascular Endocrinology | ECE2024

Medication-associated false positive results for plasma normetanephrine, metanephrine and methoxytyramine

Knigge Lara , Potthoff Kristin , Constantinescu Georgiana , Alessi Francesco , Fuld Sybille , Zawadzka Karolina , Bornstein Stefan , Lenders Jacques , Eisenhofer Graeme , Pamporaki Christina

Background: Measurements of plasma metanephrines provide a sensitive test for diagnosis of pheochromocytoma/paraganglioma (PPGL). However, false positive results can pose a diagnostic dilemma for clinicians. The aim of the study was to determine whether commonly prescribed drugs with potential action on the sympathetic nervous system can falsely elevate plasma free normetanephrine, metanephrine and methoxytyramine.Methods: This retrospective study includ...