Endocrine Abstracts

History: A 50-year-old lady presented in March-08 with clinical features consistent with Cushings syndrome and was diagnosed with pituitary driven ACTH-dependent Cushings disease on the basis of the following investigations; elevated 24 hours urinary free cortisol 1660 nmol/l; baseline cortisol 1230 nmol/l; serum cortisol levels post low dose and subsequent high dose dexamethasone suppression tests 722 nmol/l and 1032 nmol/l respectively; serum cortisol post 100 mcg CRH 979 nm...