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Pediatric Endocrinology


Answer 1
  1. Bone age determination. This patient should undergo bone age determination, which would help to exclude growth hormone deficiency and confirm that skeletal maturation is normal. The patient has no symptoms or physical findings to warrant obtaining a computed tomography scan of the head. Growth parameters are consistent with adequate nutrition, and hypothyroidism is unlikely given normal mental functioning and physical activity. No physical findings consistent with precocious puberty are present to prompt testing of serum testosterone levels. If Klinefelter’s syndrome were suspected, karyotype testing would be indicated. Although patients with Klinefelter’s syndrome have small testes, patients are tall rather than short for their age.

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