Dimitra Zianni, Marinella Tzanela, Serafim Klimopoulos, N.C. Thalassinos
A 61-year old female presented with paroxysmal hypertension and a 4.5cm left adrenal mass on CT scan. Repeated measurements of 24-hour urinary fractionated metanephrines, total catecholamines and vanillylmandelic acid (VMA) were within normal range. A further scintigraphic study …