Hallermann Streiff Syndrome
National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Hallermann Streiff Syndrome is not the name you expected.
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 (glaucoma, retinal detachments). Dental defects may include natal or neonatal teeth, delayed tooth eruption, enamel hypoplasia, 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.
Children's Craniofacial Association
- 13140 Coit Road
- Suite 517
- Dallas, TX 75240
- Tel: (214)570-9099
- Fax: (214)570-8811
- Tel: (800)535-3643
- Email: contactCCA@ccakids.com
- Website: http://www.ccakids.com
Craniofacial Foundation of America
- 975 East Third Street
- Chattanooga, TN 37403
- Tel: (423)778-9176
- Fax: (423)778-8172
- Tel: (800)418-3223
- Email: firstname.lastname@example.org
- Website: http://www.craniofacialfoundation.org/www
FACES: The National Craniofacial Association
- PO Box 11082
- Chattanooga, TN 37401
- Tel: (423)266-1632
- Fax: (423)267-3124
- Tel: (800)332-2373
- Email: email@example.com
- Website: http://www.faces-cranio.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/
Little People of America, Inc.
- 250 El Camino Real Suite 201
- Tustin, CA 92780
- Tel: (714)368-3689
- Fax: (714)368-3367
- Tel: (888)572-2001
- Email: firstname.lastname@example.org
- Website: http://www.lpaonline.org/
NIH/National Eye Institute
- 31 Center Dr
- MSC 2510
- Bethesda, MD 20892-2510
- United States
- Tel: (301)496-5248
- Fax: (301)402-1065
- Email: email@example.com
- Website: http://www.nei.nih.gov/
National Association for Parents of Children with Visual Impairments (NAPVI)
- P.O. Box 317
- Watertown, MA 02272-0317
- Tel: (617)972-7441
- Fax: (617)972-7444
- Tel: (800)562-6265
- Email: firstname.lastname@example.org
- Website: http://www.napvi.org
National Foundation for Ectodermal Dysplasias
- 6 Executive Drive
- Suite 2
- Fairview Hights, IL 62208
- Tel: 618-566-2020
- Fax: 618-566-4718
- Email: email@example.com
- Website: http://www.nfed.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: 11/5/2015
Copyright 2015 National Organization for Rare Disorders, Inc.
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