Cushing’s Syndrome Due to Ectopic Corticotropin Secretion: Twenty Years’ Experience at the National Institutes of Health

Ectopic ACTH secretion (EAS) is difficult to diagnose and treat. We present our experience with EAS from 1983 to 2004.The study was performed at a tertiary care clinical research center.Ninety patients, aged 8-72 yr, including 48 females were included in the study.Tests included 8 mg dexamethasone suppression, CRH stimulation, inferior petrosal sinus sampling (IPSS), computed tomography, octreotide scan, magnetic resonance imaging, and/or venous...