Hemorrhagic Telangiectasia, Hereditary

Important
It is possible that the main title of the report Hemorrhagic Telangiectasia, Hereditary 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

HHT
Osler-Weber Rendu Syndrome
Rendu-Osler-Weber Syndrome

Disorder Subdivisions

Hereditary Hemorrhagic Telangiectasia Type I
Hereditary Hemorrhagic Telangiectasia Type II
Hereditary Hemorrhagic Telangiectasia Type III

General Discussion

Hereditary hemorrhagic telangiectasia (HHT or Osler-Weber-Rendu syndrome) is a rare inherited disorder characterized by malformations of various blood vessels (vascular dysplasia), usually resulting in excessive bleeding (hemorrhaging). Chronic nosebleeds are often the first apparent symptom associated with hereditary hemorrhagic telangiectasia. Malformation of various blood vessels may result in abnormalities affecting various organ systems of the body including the lungs, brain, and liver. Hereditary hemorrhagic telangiectasia is inherited as an autosomal dominant trait.
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Resources

March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
Tel: (914)428-7100
Fax: (914)997-4763
Tel: (888)663-4637
Email: Askus@marchofdimes.com
Internet: http://www.marchofdimes.com

HHT Foundation International, Inc.
P.O. Box 329
Monkton, MD 21111
United States
Tel: 4103579932
Fax: 4103579931
Tel: 8004486389
Email: hhtinfo@hht.org
Internet: http://www.hht.org

NIH/National Heart, Lung and Blood Institute
31 Center Drive MSC 2480
Building 31A Rm 4A16
Bethesda, MD 20892-2480
Tel: (301)592-8573
Fax: (240)629-3246
Email: nhlbiinfo@rover.nhlbi.nih.gov
Internet: http://www.nhlbi.nih.gov/

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

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: 4/2/2008
Copyright 1986, 1988, 1989, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003 National Organization for Rare Disorders, Inc.

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