Central Hypothyroidism – Hypopituitary, Hypothalamic, and Thyroid Stimulating Hormone (TSH) Deficiency
At a Glance Patients with central hypothyroidism have either a failure of the anterior pituitary to secrete TSH (also known as secondary hypothyroidism), failure of the hypothalamus to secrete thyroid releasing hormone (TRH) known as tertiary hypothyroidism, or, in some rare cases, a TSH deficiency with no other findings of pituitary or hypothalamus abnormality. The…