ea0031p50 | Clinical biochemistry | SFEBES2013
Smith Christopher
, Freel Marie
, Perry Colin
, Davidson Fraser
, Smith Karen
, Tautphaus Yannick
Introduction: There is controversy over which form of biochemical testing is best for screening for phaeochromocytoma/paraganglioma (PHAEO/PGL). Measurement of plasma metanephrines is the most sensitive test but is less specific and lacks widespread availability, and so many centres opt to measure 24-h urinary excretion of catecholamines and metanephrines. However, the standard 24-h urinary catecholamine profile also includes dopamine (DA), vanillylmandelic acid (VMA) and homo...