Primary Hypothyroidism is seen in all EXCEPT
High-Yield Explanation
(D) Bexarotene # Causes of Hypothyroidism> Secondary.* Hypopituitarism: tumors., pituitary surgery or irradiation, infiltrative disorders, Sheehan's syndrome, trauma, genetic forms of combined pituitary hormone deficiencies.* Isolated TSH deficiency or inactivity.* Bexarotene treatment.* Hypothalamic disease: tumors, trauma, infiltrative disorders, idiopathic.