Endocrine Abstracts

Phaeochromocytomas (PC) are tumours of the adrenal medulla and paragangliomas (PGL) refer to their extra-adrenal counterpart arising from sympathetic or parasympathetic tissue. Mutations in the citric acid cycle enzyme succinate dehydrogenase (SDH) predispose to PC/PGL. Clinical practice guidelines suggest that plasma metanephrine and normetanephrine levels measured in the supine position should be used in the first instance for biochemical diagnosis, and those with positive r...