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Congenital adrenal hyperplasia (CAH) is a group of autosomal recessive disorders characterized by impaired cortisol synthesis. [ 1 ] [ 2 ] It results from the deficiency of one of the five enzymes required for the synthesis of cortisol in the adrenal cortex . [ 3 ]
Congenital adrenal hyperplasia due to 21-hydroxylase deficiency; Other names: 21-OH CAH: CT scan shows enlarged adrenals with masses consistent with congenital adrenal hyperplasia due to 21-hydroxylase deficiency (image credit: NICHD/A. Mallappa, D. Merke) Specialty: Endocrinology Symptoms: Androgen excess and corticosteroid deficiencies: Frequency
Late onset congenital adrenal hyperplasia (LOCAH), also known as nonclassic congenital adrenal hyperplasia (NCCAH or NCAH), is a milder form of congenital adrenal hyperplasia (CAH), [1] a group of autosomal recessive disorders characterized by impaired cortisol synthesis that leads to variable degrees of postnatal androgen excess. [1] [2] [3] [4]
Other causes include Congenital adrenal hyperplasia, insulin resistance, hyperprolactinemia, Cushing's disease, certain types of cancers, and certain medications. [4] [1] [3] Diagnosis often involves blood tests for testosterone, 17-hydroxyprogesterone, and prolactin, as well as a pelvic ultrasound. [1] [4] Treatment depends on the underlying ...
Congenital adrenal hyperplasia (CAH) Congenital central hypoventilation syndrome; Congenital diaphragmatic hernia (CDH) Congenital Disorder of Glycosylation (CDG) Congenital hyperinsulinism; Congenital insensitivity to pain with anhidrosis (CIPA) Congenital pulmonary airway malformation (CPAM) Conjoined twins; Costello syndrome; Craniopagus ...
Genetic variants in the CYP21A2 gene cause a disturbance in the development of the enzyme, leading to congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency. Gene conversion events involving the functional gene and the pseudogene account for many cases of steroid 21-hydroxylase deficiency. [64] CAH is an autosomal recessive ...
Clitoromegaly is a rare condition and can be either present by birth or acquired later in life. If present at birth, congenital adrenal hyperplasia can be one of the causes, since in this condition the adrenal gland of the female fetus produces additional androgens and the newborn baby has ambiguous genitalia which are not clearly male or female.
17-Hydroxyprogesterone can be used to screen for congenital adrenal hyperplasia (CAH). This is commonly found in patients with 46, XX DSD. [4] [21] Dehydroepiandrosterone (DHEA) in addition to progesterone allows for the diagnosis of more uncommon forms of CAH and other inherited disorders. [4]