Diseases & Conditions


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Rapp Hodgkin Syndrome


Synonyms of Rapp Hodgkin Syndrome
  • Ectodermal dysplasia, anhidrotic, with cleft lip and cleft palate
  • Ectodermal dysplasia, Rapp-Hodgkin type
  • Rapp-Hodgkin (hypohidrotic) ectodermal dysplasia syndrome
  • RHS

Disorder Subdivisions



    General Discussion
    Rapp-Hodgkin syndrome, an extremely rare inherited multisystem disorder that is apparent at birth (congenital) or during infancy, belongs to a group of diseases known as ectodermal dysplasias. Ectodermal dysplasias typically affect the skin, teeth, hair, and/or nails. Rapp-Hodgkin syndrome is characterized by a reduced ability to sweat (hypohidrosis); an incomplete closure of the roof of the mouth (cleft palate) and/or an abnormal groove in the upper lip (cleft lip); partial or complete absence (hypodontia or partial anodontia) and/or abnormal smallness (microdontia) of primary and secondary (permanent) teeth. Infants and children with the disorder also have abnormally sparse, coarse, wiry scalp hair that is often lost prematurely during adulthood (alopecia); unusually slow-growing, improperly developed nails (dysplastic); and, in some cases, additional physical abnormalities. In most cases, Rapp-Hodgkin syndrome is inherited as an autosomal dominant trait.

    Organizations related to Rapp Hodgkin Syndrome
    • Cleft Palate Foundation
      1504 East Franklin Street
      Chapel Hill NC 27514-2820
      Phone #: 919-933-9044
      800 #: 800-242-5338
      e-mail: info@cleftline.org
      Home page: http://www.cleftline.org
    • Craniofacial Foundation of America
      975 East Third Street
      Chattanooga TN 37403
      Phone #: 423-778-9192
      800 #: 800-418-3223
      e-mail: farmertm@erlanger.org
      Home page: http://www.craniofacialcenter.com
    • Ectodermal Dysplasia Society
      108 Charlton Lane
      Glos. None GL53 9EA
      Phone #: +44- 12-42 261332
      800 #: N/A
      e-mail: diana@ectodermaldysplasia.org
      Home page: http://www.ectodermaldysplasia.org
    • March of Dimes Birth Defects Foundation
      1275 Mamaroneck Avenue
      White Plains NY 10605
      Phone #: 914-428-7100
      800 #: 888-663-4637
      e-mail: Askus@marchofdimes.com
      Home page: http://www.marchofdimes.com
    • NIH/National Arthritis and Musculoskeletal and Skin Diseases Information Clearinghouse
      1 AMS Circle
      Bethesda MD 20892-3675
      Phone #: 301-495-4484
      800 #: 877-226-4267
      e-mail: NIAMSinfo@mail.nih.gov
      Home page: http://www.niams.nih.gov/Health_Info
    • NIH/National Institute of Dental and Craniofacial Research
      None
      None None None
      Phone #: 301-496-4261
      800 #: --
      e-mail: nidcr@nih.gov
      Home page: http://www.nidcr.nih.gov/
    • NIH/National Oral Health Information Clearinghouse
      1 NOHIC Way
      Bethesda MD 20892-3500
      Phone #: 301-402-7364
      800 #: --
      e-mail: nohic@nidcr.nih.gov
      Home page: http://www.nohic.nidcr.nih.gov
    • National Craniofacial Foundation
      3100 Carlisle Street
      Dallas TX 75204
      Phone #: --
      800 #: 800-535-3643
      e-mail: N/A
      Home page: N/A
    • National Foundation for Ectodermal Dysplasias
      410 East Main Street
      Mascoutah IL 62258-0114
      Phone #: 618-566-2020
      800 #: --
      e-mail: info@nfed.org
      Home page: http://www.nfed.org



    For a Complete Report

    This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html