Endocrine Abstracts

In ACTH-dependent Cushing’s syndrome, the high dose dexamethasone suppression test (HDDST) has been traditionally used to identify differentiate between pituitary-dependent Cushing’s disease and ectopic ACTH production. However, more recently, concerns regarding the diagnostic accuracy of the HDDST have led to many centres abandoning this test in preference to bilateral inferior petrosal sinus sampling (IPSS). We aimed to establish current consensus in the UK for the...