Searchable abstracts of presentations at key conferences in endocrinology

ea0094cc5 | Section | SFEBES2023

A case of an ACTH-secreting phaeochromocytoma: Biochemical response to metyrapone suggests the presence of a glucocorticoid-driven positive feedback loop

Michaelidou Maria , Phillips Benjamin , Man Mung Sai , Al-Hayali Mohammed , Chen Lilian , Allcock Rebecca , Monaghan Phillip , Thirkettle Sally , Clarke Noel , Gulamhusein Aziz , Beards Sue , Hoong Ho Jan , Kaushal Kalpana , Howell Simon , Adam Safwaan

Phaeochromocytoma-driven Ectopic ACTH Syndrome (EAS) is rare. We report the case of a 31-year-old female, who presented with abdominal pain and vomiting. She had clinical features of severe Cushing’s syndrome (proximal myopathy, bruising, refractory hypertension and acute confusion). Admission investigations revealed hypokalaemia (2.1mmol/l [3.5-5.5mmol/l]) and a 4.5cm left adrenal lesion with a ’bulky’ right adrenal on CT abdomen. She was diagnosed with hyperte...