Pituitary Disorders USMLE Step 1 Practice Question
A 34-year-old woman with a history of postpartum hemorrhage 2 years ago now presents with fatigue, cold intolerance, amenorrhea, and hypotension. Laboratory findings show low TSH (1.2 mIU/L), low free T4 (0.6 ng/dL), low cortisol (3 mcg/dL), and low ACTH (8 pg/mL). Which of the following is the most likely diagnosis?
Answer choices
- APostpartum thyroiditis
- BGraves disease
- CSheehan syndromeCorrect answer
- DHashimoto thyroiditis with secondary hypothyroidism
- EPrimary adrenal insufficiency
- FPituitary adenoma with secondary hypothyroidism and adrenal insufficiency
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