Endocrine Abstracts

A 69-year-old woman developed hypertension, polyuria and hyperglycemia over the course of several months. The initial biochemical investigation revealed ACTH-dependent hypercortisolism (UFC 409.7 μg/24 h, NR 10–80; ACTH 43.3 pg/ml, NR 8–50; OST 28 μg/dl) and moderately elevated urinary catecholamines (E 80.5 μg/24 h, NR 2.5–33.6; norE 235.8 μg/24 h, NR 18.1–128.2). Further investigations disclosed absent ACTH and cortisol responses to CR...