Telangiectasia


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Definition

Telangiectasias are small, widened blood vessels on the skin. They are usually meaningless, but may be associated with several diseases.


Alternative Names

Vascular ectasias


Considerations

Telangiectasias may develop anywhere within the body but can be easily seen in the skin, mucous membranes, and whites of the eyes. Usually, they do not cause symptoms. However, some telangiectasias bleed and cause significant problems. Telangiectasias may also occur in the brain and cause major problems from bleeding.


Common Causes

Causes may include:

  • Alcohol use
  • Aging
  • Genetics
  • Pregnancy
  • Sun exposure

Diseases associated with this condition include:

  • Ataxia - telangiectasia
  • Bloom syndrome
  • Cutis marmorata telangiectatica congenita
  • Hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome)
  • Klippel-Trenaunay-Weber syndrome
  • Nevus flammeus such as port-wine stain
  • Rosacea
  • Spider angioma
  • Sturge-Weber disease
  • Xeroderma pigmentosa

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Review Date: 5/13/2011
Reviewed By: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network.  Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2004 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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Last Updated 2/21/2012
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