Endocrine Abstracts

A 35-year-old lady presented in Feb 2022 for lower limb weakness for 2 months, easy fall and amenorrhoea for 6 months. Her potassium was 2.4mmol/l. Clinically, she had moon face and proximal muscle weakness. Her workup showed metabolic alkalosis, renal loss of potassium and high 24-hour urine free cortisol (UFC) 825 nmol/l (24-140), which was 5.9x above the upper limit of normal (ULN). The paired baseline ACTH and morning cortisol were 22.1 and 469nmol/l respectively. 1mg ONDS...