Telangiectasias are small, widened blood vessels on the skin. They are usually harmless, but may be associated with several diseases.
Vascular ectasias: Spider veins
Telangiectasias may develop anywhere within the body. But they are most easily seen on the skin, mucous membranes, and whites of the eyes. Usually, they do not cause symptoms. Some telangiectasias bleed and cause significant problems. Telangiectasias may also occur in the brain and cause major problems from bleeding.
Causes may include:
Alcohol use (related to rosacea)
Diseases associated with this condition include:
Ataxia – telangiectasia
Cutis marmorata telangiectatica congenita
Hereditary hemorrhagic telangiectasia(Osler-Weber-Rendu syndrome)
- Klippel-Trenaunay-Weber syndrome
Nevus flammeussuch as port-wine stain
Spider angioma Sturge-Weber disease Xeroderma pigmentosa
When to Contact a Medical Professional
Call your health care provider if you notice enlarged vessels in the skin, mucous membranes, or eyes.
What to Expect at Your Office Visit
The doctor will perform a physical exam and ask questions about the symptoms, including:
Where are the blood vessels located?
- Do they bleed easily and without reason?
- What other symptoms are present?
Tests may be needed to diagnose or rule out a medical condition. Such tests may include:
Liver function studies
Sclerotherapy is the treatment for telangectasias on the legs. Laser treatment is typically used to treat telangectasias of the face.