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Home Page > Diseases by Region: Ashkenazi > Non-Classical Adrenal Hyperplasia

Non-Classical Adrenal Hyperplasia
by Yael Rosenberg, RN

Non-Classical Adrenal Hyperplasia is an autosomal recessive disease that is the result of mutation of the CYP21B gene located on chromosome 6. It causes a defect in one of the enzymes in the adrenal cortex responsible for the conversion of cholesterol to cortisol. This is a milder and non life threatening form than the classical adrenal hyperplasia, since it has a lesser deficiency of the enzyme. Unlike CAH there is only a partial enzyme deficiency so symptoms are much less severe.

Affecting both male and female:
   •  Premature growth of pubic and underarm hair
   •  Childhood body odor which normally does not smell
   •  Early and rapid growth spurt in childhood, however as adults thy tend to be short
   •  Hair and skin tend to be oily
   •  Serious case of acne
   •  Mood swings including anxious and depressive moods
   •  Fertility issues

In Females:
   •  Early menarche
   •  Irregular menstrual periods
   •  Hirsutism (increased growth of hair often especially facial hair)
Sometimes this disease can be confused with Polycystic Ovarian Syndrome (PCOS) which has similar symptoms

In Males:
   •  Males tend to be short
   •  Premature growth of beard
   •  Disproportionately enlarged penis and small testicles
   •  Diminished sperm count

There are individuals who are asymptomatic and are tested and diagnosed just because they have relatives with the disorder.

Incidence and Carriers

Carrier Frequency: 1 in 3 in the Ashkenazi Jewish population
                              1 in 61 worldwide
Disease Frequency: 1 in 27 in the Ashkenazi Jewish population
                                1 in 100 in non-Ashkenazi Jews.
                                1 in 15,000 worldwide

Non-classical Adrenal Hyperplasia symptoms are treatable with very low dose glucocorticoids.

Women that have hirsutism and acne may be treated oral contraceptive which suppress androgen production by the ovaries, instead of glucocorticoids that present with risks and side effects. This treatment is also recommended for better management of menstrual cycles and bleeding. However, those who seek fertility may first be treated with corticoids and then with reproductive assistive meds such as clomid, if the corticoids are deemed to be ineffective.

Treatment is not required for men unless testicular masses are present

Diagnosis: through blood test done in the morning to test levels of adrenal steroids

Genetic testing: of the 21-hydroxylase gene. In Ashkenazi Jews the test can detect carriers 95% of the time.

Laboratories and Screening
The following laboratories offer genetic testing for Canavan Disease:
   •  United States
   •  Israel
   •  Canada
   •  India
   •  Europe

Athena Diagnostics Inc
Reference Lab
Worcester, MA
Phone: (800) 394-4493
or (508) 756-2886 (For callers outside the US and Canada)
Fax: (508) 753-5601

Center for Genetic Testing at Saint Francis
6161 S. Yale Avenue
Tulsa, OK 74136
Toll Free: (866) 846-0315
Phone: (918) 502-1720 (Main Office)
Fax: (918) 502-1723

Comprehensive Genetic Services (CompGene)
3720 North 124th St
Milwaukee, WI 53222
Toll Free: (877) COMPGENE
Phone: (414) 393-1000
Fax: (414) 393-1399

Esoterix Laboratory Services, Inc.
4301 Lost Hills Road
Calabasas Hills, CA 91301
Phone: (800) 444-9111
Fax: (818) 880-8541

Mayo Medical Laboratories
3050 Superior Drive NW
Rochester, MN 55901
Phone: (800) 533-1710
Phone: (507) 266-5700
Fax: (507) 284-4542

Quest Diagnostics-Nichols Institute
Molecular Genetics Laboratory
Medical Director, Charles Strom, MD, PhD
33608 Ortega Highway
San Juan Capistrano, CA 92690
Contact: Joy Redman, MS, Genetic Counselor
Phone: (949) 728-4279
Fax: (949) 728-4874

GGA –Galil Genetic Analysis Ltd
P.O.B. 3664
Kazerin, Hatzafon, Israel 12900
Phone: (+972) 4-9007100
Fax: (+972) 4-9007111

Alberta Children's Hospital
Molecular Diagnostic Laboratory
Calgary, Alberta, Canada
Phone: (403) 955-7026
Fax: (403) 955-7624

Sir Ganga Ram Hospital
Center of Medical Genetics
New Delhi, Delhi, India
Contact: Renu Saxena, PhD
Phone: (+91) 11-42252139
Fax: (+91) 11-42251034

   •  Germany
   •  Slovakia
   •  Spain
   •  Sweden
   •  Turkey

Bio.logis Center for Human Genetics
Frankfurt, Germany
Genetic Counselor: Prof Daniela Steinberger, MD, PhD
Phone: (+49) 6953-084-37
Fax: (+49) 6953 084-37-11

Bioscientia GmbH
Center for Human Genetics
Ingelheim, Germany
Contact: Dr Nadine Bachmann
Phone: (+49) 6132-781-429
Fax: (+49) 6132-781-194

Centogene GmbH
Schillingalee 68
18057 Rostock
Phone: (+49) 381-203652-0
Fax: (+49) 381-203652-19

Diagenom GmbH
Robert-Koch-Str. 10
D-18059 Rostock
Tel. (+49) 381-7022750
Fax (+49) 381-7022759

Institute of Medical Diagnostics
Human Genetics
Nicolaistr. 22
Berlin, Germany 12247
Contact: Stephan Niemann, MD, PhD
Phone: (+49) 307-7001 ext 211
Fax: (+49) 307-7001 ext 332

Medical Genetics Center
Bayerstraße 3-5 (durch die Mathäser-Passage)
Eingang Schlosserstraße 6
80335 München
Phone: (+49) 89-30 90 886-0
Fax: (+49) 89-30 90 886-66

Medgene s.r.o.
laboratórium lekįrskej genetiky
Bratislava, Slovakia
Phone: (+421) 2-20737474
Contact: Martina Hikkelova, RNDr
Phone: (+421) 2-20737474
Fax: (+421) 2- 33016065

BioscUniversidad Autonoma de Madrid
Centro de Diagnostico de Enfermedades Moleculares
Madrid, Spain
Director: Magdalena Ugarte, PhD
Genetic Counselor: Dr Lourdes Ruiz Desviat, PhD
Phone: (+34) 91196-4566
Fax: (+34) 91497-4863

Department of Clinical Genetics
Karolinska University Hospital, Solna
S-171 76 Stockholm
Phone: (+46) 8-51770000
Director: Magnus Nordenskjold, MD, PhD
Phone: (+46) 8-51773928
Fax: (+46) 8-327734

Duzen Laboratuvarlar Grubu
Tunus Caddesi No: 95 06680
Istanbul, Ankara, Turkey
Phone: (+90) 312-468 70 10 (9 hat pbx)
Phone: (+90) 312- 427 81 70 (4 hat pbx)
Fax: (+90) 312-427 81 74
Istanbul, Ankara, Turkey
Contact: Kanay Yararbas, MD
Phone: (+90) 2122724803
Fax: (+90) 2122724804

Resources and More
CARES Foundation, Inc.
Kelly R. Leight, Executive Director
PO Box 264
Short Hills, NJ 07078

Support Groups
Climb (Children Living with Inherited Metabolic Diseases)
Family Services
Toll Free: (+44) 800- 652-3181 (open 10am – 4pm BST)
Phone: (+44) 845-241-2172

Magic Foundation
6645 W. North Avenue
Oak Park, IL 60302
Toll Free: (800) 3-MAGIC-3 (800-362-4423)



Jewish Genetic Disorders: A Layman's Guide: Guide to genetic disorders affecting  the Jewish population more than the non-Jewish. Includes basic facts on genetics & genetic disorders.
Books: Jewish Genetic Diseases



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