Table 1 Classification of most frequent causes of Cushing’s syndrome
From: Cushing’s disease
ACTH dependent Cushing’s syndrome | Cushing’s disease or ACTH secreting pituitary adenoma |
Ectopic ACTH secretion | |
ACTH independent Cushing’s syndrome | Adrenal adenoma |
Adrenal carcinoma | |
Bilateral adrenal hyperplasia | |
Iatrogenic Cushing’s syndrome (Exogenous glucocorticoid exposure) | |
Pseudo-Cushing’s syndrome | Obesity |
Alcoholism | |
Depression |