21-Hydroxylase Deficiency classification

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Template:21-Hydroxylase Deficiency Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

  • Severe 21-hydroxylase deficiency causes salt-wasting CAH, with life-threatening vomiting and dehydration occurring within the first few weeks of life. Severe 21-hydroxylase deficiency is also the most common cause of ambiguous genitalia due to prenatal virilization of genetically female (XX) infants.
  • Moderate 21-hydroxylase deficiency is referred to as simple virilizing CAH; and typically is recognized as causing virilization of prepubertal children.
  • Still milder forms of 21-hydroxylase deficiency are referred to as non-classical CAH and can cause androgen effects and infertility in adolescent and adult women.

References


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