Ichthyosis, X Linked
National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Ichthyosis, X Linked is not the name you expected.
X-linked ichthyosis is a genetic skin disorder that affects males. It is an inborn error of metabolism characterized by a deficiency of the enzyme steroid sulfatase. Under normal conditions, this enzyme breaks down (metabolizes) cholesterol sulfate, a member of the chemical family of steroids. Cholesterol sulfate plays a role in maintaining the integrity of the skin. If steroid metabolism is interrupted and cholesterol sulfate accumulates in the skin cells, the skin cells stick together more strongly than usual. The normal shedding of dead skin cells is inhibited and the skin cells build up and clump into scales.
Foundation for Ichthyosis & Related Skin Types
- 2616 N Broad Street
- Colmar, PA 18915
- Tel: (215)997-9400
- Fax: (215)997-9403
- Tel: (800)545-3286
- Email: firstname.lastname@example.org
- Website: http://www.firstskinfoundation.org
Genetic and Rare Diseases (GARD) Information Center
- PO Box 8126
- Gaithersburg, MD 20898-8126
- Tel: (301)251-4925
- Fax: (301)251-4911
- Tel: (888)205-2311
- Website: http://rarediseases.info.nih.gov/GARD/
NIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases
- Information Clearinghouse
- One AMS Circle
- Bethesda, MD 20892-3675
- Tel: (301)495-4484
- Fax: (301)718-6366
- Tel: (877)226-4267
- Email: NIAMSinfo@mail.nih.gov
- Website: http://www.niams.nih.gov/
National Registry for Ichthyosis and Related Disorders
- University of Washington
- Dermatology Dept. Box 356524
- Seattle, WA 98195-6524
- Tel: (800)595-1265
- Email: email@example.com
- Website: http://www.skinregistry.org/
For a Complete Report
This is an abstract of a report from the National Organization for Rare Disorders (NORD). For a full-text version of this report, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report.
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
Last Updated: 12/1/2004
Copyright 2004 National Organization for Rare Disorders, Inc.
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