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The most common form of congenital adrenal hyperplasia, divided into 2 clinical groups simple virilising or salt wasting forms. Manifests with genital ambiguity in females and with adrenal insufficiency in both sexes. Girls present with ambiguous genitalia and the extent of virilisation can vary from a nearly male appearance to minimal clitoromegaly. A normal uterus and various degrees of abnormal vaginal development are seen. The external genitalia in boys are normal. The disease is caused by a mutation in the CYP21A2 gene located on chromosome 6p21.3. Follows an autosomal recessive pattern of inheritance.
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The most common form of congenital adrenal hyperplasia, divided into 2 clinical groups simple virilizing or salt wasting forms. Manifests with genital ambiguity in females and with adrenal insufficiency in both sexes. Girls present with ambiguous genitalia and the extent of virilization can vary from a nearly male appearance to minimal clitoromegaly. A normal uterus and various degrees of abnormal vaginal development are seen. The external genitalia in boys are normal. The disease is caused by a mutation in the CYP21A2 gene located on chromosome 6p21.3. Follows an autosomal recessive pattern of inheritance.
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