Widely Spaced Nipples in Pediatrics — 13yo Child | Pediatric Endocrinology | SMLE Q#11584
SMLE Question #11584
Pediatrics
Pediatric Endocrinology
Objective: OBJ-173
Last updated: February 2026
A 13-year-old girl is evaluated for short stature and absent pubertal development. She has not started menses, and her height has fallen below the 3rd percentile. Examination shows a webbed neck, low posterior hairline, broad chest with widely spaced nipples, and cubitus valgus. External genitalia are prepubertal with no breast development (Tanner stage I). Cardiac auscultation reveals a systolic murmur heard best in the left infraclavicular area with radiation to the back. Which of the following is the most likely underlying diagnosis?
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