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Pediatrics · Growth: constitutional delay
Sample itemA 14-year-old boy has short stature, delayed bone age, no pubertal signs and a father who reached puberty late. What is the most likely diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Constitutional delay of growth and puberty
Constitutional delay produces short stature with delayed bone age and a positive family history of late maturation. Growth continues for longer and the final height is usually normal. In familial short stature bone age matches chronological age and puberty is on time.
Option by option
A. Constitutional delay of growth and puberty (correct)
Correct. Delayed bone age and late puberty in the family indicate constitutional delay.
B. Growth hormone deficiency
GH deficiency shows poor growth velocity and is rarely with a family history of late puberty.
C. Familial short stature
In familial short stature bone age is normal and puberty is timely.
D. Turner-like syndrome
Turner syndrome affects girls.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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