Agenesis of thyroid
hypothalamic/anterior pituitary failure to secrete TRF
primary chronic adrenal insufficiency
use syncathen test to determine
Use dexamethasone test
Lithium
Prolactinoma
Secondary hypercortisolism
High aldosterone:renin ratio
Sudden weight gain, central obesity, hypertension, acne
iodine deficiency
Pituitary adenoma of corticotrophs
Hashimotos thyroiditis
thyroid follicular adenoma or carcinoma
Multinodular goitre
Graves' disease
Thyroidectomy
Primary hyperaldosteronism
