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It is possible that the main title of the report Hallermann Streiff Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
Hallermann-Streiff syndrome (HSS) is a rare genetic disorder that is primarily characterized by distinctive malformations of the skull and facial (craniofacial) region; sparse hair (hypotrichosis); eye abnormalities; dental defects; degenerative skin changes (atrophy), particularly in the scalp and nasal regions; and proportionate short stature. Characteristic craniofacial features include a short, broad head (brachycephaly) with an unusually prominent forehead and/or sides of the skull (dyscephaly); a small, underdeveloped lower jaw (hypoplastic mandible); a narrow, highly arched roof of the mouth (palate); and a thin, pinched, tapering nose. Many affected individuals also have clouding of the lenses of the eyes at birth (congenital cataracts or corneal stromal opacities); unusually small eyes (microphthalmia); and/or other ocular abnormalities. Dental defects may include natal or neonatal teeth, absent permanent teeth (hypodontia or partial adontia), abnormal tooth development resulting in short roots and early loss of teeth, and/or improper alignment of teeth. In almost all cases, HSS has appeared to occur randomly for unknown reasons (sporadically), and this syndrome is thought to be the result of a new change to genetic material (mutation).
Hallermann-Streiff syndrome was first described in the medical literature in 1893. The disorder was named for two investigators who later independently reported cases of the syndrome, recognizing it as a distinct disease entity.
National Foundation for Ectodermal Dysplasias
6 Execuitive Drive
Fairview Hiights, IL 62208
FACES: The National Craniofacial Association
PO Box 11082
Chattanooga, TN 37401
National Association for Parents of Children with Visual Impairments (NAPVI)
P.O. Box 317
Watertown, MA 02272-0317
Little People of America, Inc.
250 El Camino Real Suite 201
Tustin, CA 92780
NIH/National Eye Institute
31 Center Dr
Bethesda, MD 20892-2510
Institute for Families
4650 Sunset Blvd Mail stop 111
Los Angeles, CA 90027
Coalition for Heritable Disorders of Connective Tissue (CHDCT)
4301 Connecticut Avenue, NW Suite 404
Washington, DC 20008
Craniofacial Foundation of America
975 East Third Street
Chattanooga, TN 37403
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
PO Box 241956
Los Angeles, CA 90024
Hallerman-Streiff Syndrome Resource
3524 Blenheim Road
Phoenix, MD 21131
This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, 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. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
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.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email firstname.lastname@example.org
Last Updated: 4/11/2012
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