Ectopic ACTH Syndrome
Also known as EAS
Sources of Ectopic ACTH production.
- Lung = most common cause.
- Thyroid – Medullary carcinoma
- Adrenal Gland – pheochromocytoma
- Other neuroendocrine cancers
Difference between Cushings syndrome and Cushings disease
- Cushings syndrome is cortisol excess from any cause.
- Cushings disease is cortisol excess by pituitary ACTH over-secretion