A 4-Year-Old Boy Is Brought to the Clinic After His

A 4-year-old boy is brought to the clinic after his mother noticed he was developing pubic hair.  The boy had a recent growth spurt and is now taller than his 5-year-old brother.  The patient's preschool teacher recently mentioned he has body odor after he runs or plays.  Height is at the 95th percentile for age, and weight is at the 80th percentile.  Examination reveals sparse growth of long, pigmented hair at the base of the penis and in both axillae.  Testes are present bilaterally and appear normal.  Laboratory assessment reveals high serum concentrations of 17-hydroxyprogesterone and testosterone.Which of the following is most likely present in this patient?

A) Adrenal cortical hyperplasia
B) Adrenal medullary hyperplasia
C) Leydig cell tumor
D) Pituitary adenoma
E) Seminoma

Correct Answer:

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