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    Treacher Collins Syndrome

    Important
    It is possible that the main title of the report Treacher Collins 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.

    Synonyms

    • TCS
    • Treacher Collins-Franceschetti syndrome
    • mandibulofacial dysostosis
    • Franceschetti-Zwalen-Klein syndrome

    Disorder Subdivisions

    • None

    General Discussion

    Summary
    Treacher Collins syndrome (TCS) is a rare genetic disorder characterized by distinctive abnormalities of the head and face area resulting from underdevelopment (hypoplasia) of certain facial structures including the jaw, cheekbones and nearby structures (zygomatic complex). Craniofacial abnormalities tend to involve the cheekbones, jaws, mouth, ears, and/or eyes. In addition to the various facial abnormalities, affected individuals may have malformations of the external ears and middle ear structures and eye (ocular) abnormalities including an abnormal downward slant to the opening between the upper and lower eyelids (palpebral fissures). Affected individuals may develop hearing loss and breathing (respiratory) difficulties. Furthermore, brain and behavioral anomalies such as microcephaly and psychomotor delay have also been occasionally reported as part of the condition. The specific symptoms and physical characteristics associated with TCS can vary greatly from one individual to another. Some individuals may have mild symptoms and go undiagnosed, while others may develop serious, life-threatening respiratory complications. TCS is caused by a mutation in the TCOF1, POLR1C or POLR1D genes. In the case of TCOF1 or POLR1D, the mode of inheritance is autosomal dominant, while in the case of POLR1C it is autosomal recessive.

    Introduction
    TCS is named after Edward Treacher Collins, a London ophthalmologist who first described the disorder in the medical literature in 1900. TCS is also known as mandibulofacial dysostosis or Treacher Collins-Franceschetti syndrome.

    Resources

    Children's Craniofacial Association
    13140 Coit Road
    Suite 517
    Dallas, TX 75240
    USA
    Tel: (214)570-9099
    Fax: (214)570-8811
    Tel: (800)535-3643
    Email: contactCCA@ccakids.com
    Internet: http://www.ccakids.com

    FACES: The National Craniofacial Association
    PO Box 11082
    Chattanooga, TN 37401
    Tel: (423)266-1632
    Fax: (423)267-3124
    Tel: (800)332-2373
    Email: faces@faces-cranio.org
    Internet: http://www.faces-cranio.org

    Let's Face It
    University of Michigan, School of Dentistry / Dentistry Library
    1011 N. University
    Ann Arbor, MI 48109-1078
    USA
    Tel: (360)676-7325
    Email: faceit@umich.edu
    Internet: http://www.dent.umich.edu/faceit

    AmeriFace
    P.O. Box 751112
    Limekiln, PA 19535
    USA
    Tel: (702)769-9264
    Fax: (702)341-5351
    Tel: (888)486-1209
    Email: info@ameriface.org
    Internet: http://www.ameriface.org

    American Society for Deaf Children
    800 Florida Avenue NE
    2047
    Washington, DC 20002-3695
    Tel: (866)895-4206
    Fax: (410)795-0965
    Tel: (800)942-2732
    Email: asdc@deafchildren.org
    Internet: http://www.deafchildren.org

    Ear Anomalies Reconstructed: Atresia/Microtia Support Group
    72 Durand Road
    Maplewood, NJ 07040
    USA
    Tel: (973)761-5438
    Fax: (973)378-8930
    Email: atresiamicrotia-subscribe@yahoogroups.com

    NIH/National Institute on Deafness and Other Communication Disorders
    31 Center Drive, MSC 2320
    Communication Avenue
    Bethesda, MD 20892-3456
    Tel: (301)402-0900
    Fax: (301)907-8830
    Tel: (800)241-1044
    TDD: (800)241-1105
    Email: nidcdinfo@nidcd.nih.gov
    Internet: http://www.nidcd.nih.gov

    Craniofacial Foundation of America
    975 East Third Street
    Chattanooga, TN 37403
    Tel: (423)778-9176
    Fax: (423)778-8172
    Tel: (800)418-3223
    Email: terry.smyth@erlanger.org
    Internet: http://www.craniofacialfoundation.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
    TDD: (888)205-3223
    Internet: http://rarediseases.info.nih.gov/GARD/

    Atresia/Microtia Online E-mail Support Group
    Email: AtresiaMicrotia-owner@yahoogroups.com
    Internet: http://health.groups.yahoo.com/group/AtresiaMicrotia/

    Madisons Foundation
    PO Box 241956
    Los Angeles, CA 90024
    Tel: (310)264-0826
    Fax: (310)264-4766
    Email: getinfo@madisonsfoundation.org
    Internet: http://www.madisonsfoundation.org

    Let Them Hear Foundation
    1900 University Avenue, Suite 101
    East Palo Alto, CA 94303
    Tel: (650)462-3174
    Fax: (650)462-3144
    Email: info@letthemhear.org
    Internet: http://www.letthemhear.org

    American Academy of Audiology
    11730 Plaza America Drive, Suite 300
    Reston, VA 20190
    Tel: (703)790-8466
    Fax: (703)790-8631
    Tel: (800)222-2336
    Email: infoaud@audiology.org
    Internet: http://www.audiology.org

    Cleft Lip and Palate Foundation of Smiles
    2044 Michael Ave SW
    Wyoming, MI 49509
    Tel: (616)329-1335
    Email: Rachelmancuso09@comcast.net
    Internet: http://www.cleftsmile.org

    For a Complete Report:

    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 orphan@rarediseases.org

    Last Updated: 5/24/2013
    Copyright 1989, 1990, 1992, 1996, 1998, 1999, 2000, 2007, 2013 National Organization for Rare Disorders, Inc.

    WebMD Medical Reference from the National Organization for Rare Disorders

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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