Pituitary Disorders USMLE Step 1 Practice Question
A 6-year-old boy presents with short stature (height <3rd percentile) and normal growth velocity of 4 cm/year. His bone age is 5 years, thyroid function is normal, and celiac serologies are negative. Growth hormone stimulation test shows peak GH of 3.2 ng/mL (normal >10 ng/mL). Which of the following is the most likely diagnosis?
Answer choices
- AConstitutional growth delay
- BFamilial short stature
- CGrowth hormone deficiencyCorrect answer
- DCeliac disease
- EHypothyroidism
- FTurner syndrome
See the full explanation
Get the correct-answer rationale, why each distractor is wrong, the underlying mechanism, and high-yield associations ā plus adaptive practice that targets your weak areas ā with a free MedBoardPRO account.