Endocrine Abstracts

Case history: A 40-year-old woman presented with long-standing hypokalemia fluctuating between 2.3 and 2.5 mmol/l. She had episodes of right-sided weakness and was seen by Neurologists without a clear diagnosis. She had no other past medical history. Physical examination was unremarkable. Her blood pressure (BP) was 116/63.Investigations: Plasma aldosterone was 1363 pmol/l. Plasma renin activity was 0.18 ng/ml/h. Aldosterone-renin ratio (ARR) was 7570 (n...

Pheochromocytoma-Paraganglioma (PPGL) is a rare but important tumour with non-specific presentations that overlap with extremely common entities such as anxiety, hypertension, acute illness and episodic ‘spells.’ Assessment of urine normetanephrine or metanephrine(UNM-M) in real life practice, where PPGL is very rare and PPGL mimics are extremely common, may show overlap in results with loss of specificity depending on the reference range chosen. We performed a retro...