Pituitary Disorders USMLE Step 1 Practice Question
A 32 year old woman presents 2 weeks after delivery because she has been unable to breastfeed and feels profoundly fatigued. She had severe postpartum hemorrhage requiring transfusion. Blood pressure is 92 over 58 mm Hg. Laboratory studies show low cortisol, low TSH, and low prolactin. Which of the following is the most likely diagnosis?
Answer choices
- APituitary prolactinoma
- BPrimary adrenal insufficiency
- CSheehan syndromeCorrect answer
- DPostpartum thyroiditis
- ELymphocytic hypophysitis
- FSecondary hypothyroidism due to iodine deficiency
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