A 17-Year-Old Boy Is Brought to the Office for Evaluation

A 17-year-old boy is brought to the office for evaluation of bilateral breast enlargement.  He first noticed it a few months ago and says that it is slightly painful.  His parents are concerned that his breasts are gradually becoming more prominent.  The patient is in special education classes due to a long-standing history of learning disabilities.  His father has type 2 diabetes mellitus and is on dialysis for chronic renal failure.  Height is at the 95th percentile, and weight is at the 25th percentile for age and sex.  Symmetrical glandular tissue is palpated under both nipple-areolar complexes.  His sense of smell is normal, and his testicles are small and firm.  Laboratory evaluation would most likely show which of the following findings?

A) Decreased estradiol
B) Increased androstenedione
C) Increased β-hCG
D) Increased creatinine
E) Increased FSH
F) Increased prolactin
G) Prolonged prothrombin time

Correct Answer:

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