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GlossaryNon-Classical Adrenal Hyperplasia

partial enzyme deficiency causing excess androgen production

Non-Classical Adrenal Hyperplasia (NCAH) is a milder form of congenital adrenal hyperplasia that typically presents later in life, often during adolescence or adulthood. It is caused by a partial deficiency in the enzyme 21-hydroxylase, leading to an overproduction of androgens (male hormones). Symptoms can include irregular menstrual cycles, excessive hair growth (hirsutism), and acne in females, while males may experience early signs of puberty.

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research Phenotypic Profiling of Parents With Cryptic Nonclassic Congenital Adrenal Hyperplasia: Findings in 145 Unrelated Families

62 citations , March 2011 in “European journal of endocrinology”

Some parents have a mild form of congenital adrenal hyperplasia without symptoms, and they usually don't need treatment.

The Diagnosis of Nonclassic Congenital Adrenal Hyperplasia Due to 21-Hydroxylase Deficiency Based on Serum Basal or Post-ACTH Stimulation 17-Hydroxyprogesterone Can Lead to False-Positive Diagnosis

research The Diagnosis of Nonclassic Congenital Adrenal Hyperplasia Due to 21-Hydroxylase Deficiency Based on Serum Basal or Post-ACTH Stimulation 17-Hydroxyprogesterone Can Lead to False-Positive Diagnosis

25 citations , September 2015 in “Clinical Endocrinology”

Using 17-hydroxyprogesterone levels to diagnose nonclassic congenital adrenal hyperplasia can result in many incorrect diagnoses.

research Approach to Investigation of Hyperandrogenism in a Postmenopausal Woman

November 2022 in “The Journal of Clinical Endocrinology and Metabolism”

Postmenopausal hyperandrogenism, a condition with symptoms like increased hair growth and acne, is usually caused by PCOS but can also be due to other factors. It's diagnosed by checking testosterone levels and treated either by removing the adrenal tumor or through antiandrogen therapy.

research Sexual Function and Depressive Symptoms in Young Women With Nonclassic Congenital Adrenal Hyperplasia

11 citations , January 2016 in “The Journal of Sexual Medicine”

Young women with nonclassic congenital adrenal hyperplasia may experience worse sexual function and mild depression compared to healthy women.

research Nonclassic Congenital Adrenal Hyperplasia

59 citations , January 2010 in “International Journal of Pediatric Endocrinology”

NonClassic Congenital Adrenal Hyperplasia is a less severe form of a genetic disorder affecting adrenal gland function.

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