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17 alpha-hydroxylase deficiency (patient information)


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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Mehrian Jafarizade, M.D [2]

Overview

Overview

Symptoms of 17 alpha-hydroxylase deficiency include delayed puberty and primary amenorrhea. Mutations in the CYP17 gene cause 17 alpha-hydroxylase deficiency. The most potent risk factor in the development of 17 alpha-hydroxylase deficiency is the presence of family history of 17 alpha-hydroxylase deficiency. Laboratory findings consistent with the diagnosis of 17 alpha-hydroxylase deficiency include elevated 17α-hydroxyprogesterone, elevated androstenedione, elevated urinary 17-ketosteroids and decreased renin.

What are the symptoms of 17 alpha-hydroxylase deficiency?

What are the symptoms of 17 alpha-hydroxylase deficiency?

Symptoms of 17 alpha-hydroxylase deficiency include delayed puberty and primary amenorrhea and hypertension.

What causes 17 alpha-hydroxylase deficiency?

What causes 17 alpha-hydroxylase deficiency?

Mutations in the CYP17 gene cause 17 alpha-hydroxylase deficiency.

Who is at highest risk?

Who is at highest risk?

The most potent risk factor in the development of 17 alpha-hydroxylase deficiency is the presence of family history of this disease.

Diagnosis

Diagnosis

Laboratory findings consistent with the diagnosis of 17 alpha-hydroxylase deficiency include elevated 17α-hydroxyprogesterone, elevated androstenedione, elevated urinary 17-ketosteroids and decreased renin.

When to seek urgent medical care?

When to seek urgent medical care?

A person should seek urgent medical care when there are any complications that arise from 17 alpha-hydroxylase deficiency such as hypertension.

Treatment options

Treatment options

The mainstay of therapy for 17 alpha-hydroxylase is glucocorticoid therapy. Also, spironolactone and estrogen may be used.

Where to find medical care for 17 alpha-hydroxylase deficiency?

Where to find medical care for 17 alpha-hydroxylase deficiency?

Directions to Hospitals Treating 17 alpha-hydroxylase deficiency

Prevention

Prevention

Prenatal diagnosis of 17 alpha-hydroxylase deficiency is conducted to prevent complication of the disease in future life and treated with prenatal dexamethasone treatment.

What to expect (Outlook/Prognosis)?

What to expect (Outlook/Prognosis)?

The prognosis of 17 alpha-hydroxylase deficiency is generally good with treatment

Possible complications

Possible complications

Reference

Reference

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