What is the role of imaging studies in the diagnosis of congenital adrenal hyperplasia (CAH)?

Updated: Oct 06, 2020
  • Author: Thomas A Wilson, MD; Chief Editor: Sasigarn A Bowden, MD  more...
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Imaging studies

  • CT scanning of the adrenal gland can help exclude bilateral adrenal hemorrhage in patients with signs of acute adrenal failure without ambiguous genitalia or other clues to adrenal hyperplasia [6]

  • Pelvic ultrasonography may be performed in an infant with ambiguous genitalia to demonstrate a uterus or associated renal anomalies, which are sometimes found in other conditions that may result in ambiguous genitalia (eg, mixed gonadal dysgenesis, Denys-Drash syndrome)

  • Urogenitography is often helpful in defining the anatomy of the internal genitalia

  • A bone-age study is useful in evaluating for advanced skeletal maturation in a child who develops precocious pubic hair, clitoromegaly, or accelerated linear growth

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