Endocrine Abstracts

Introduction: A form of ACTH-dependent Cushing syndrome is an ectopic production of ACTH. The aetiology can by benign lesion or a malignant non-pituitary tumor, which is more common. The prevalence of endogenous Cushing syndrome is 1 in 26 000. Ectopic ACTH secretion is responsible for 7–15% of the cases. Principal position of the ACTH-producing tumor is in lungs – a bronchial endocrine tumor and small cell lung cancer. Small peripheral bronchial carcinoids can easil...