Telangiectasis

Telangiectasias are small, dilated blood vessels near the surface of the skin or mucous membranes, measuring between 0.5 and 1 millimeter in diameter. They can develop anywhere on the body but are commonly seen on the face around the nose, cheeks, and chin.

Causes

Telangiectasias can be caused by a variety of conditions, including Rosacea, aging skin, pregnancy, prolonged use of oral or topical corticosteroids, and certain autoimmune diseases, such as lupus and scleroderma. They can also be a symptom of more serious diseases, such as ataxia-telangiectasia and hereditary hemorrhagic telangiectasia.

Diagnosis

Diagnosis of telangiectasias usually involves a physical examination. In some cases, a biopsy may be performed to rule out other conditions. If the telangiectasias are widespread or associated with other symptoms, further testing may be needed to check for underlying diseases.

Treatment

Treatment for telangiectasias can include laser therapy, sclerotherapy, or electrocautery. These treatments work by destroying the dilated blood vessels. However, they may not prevent new telangiectasias from developing.

See also

• Spider angioma
• Venous lake
• Cherry angioma
• Hereditary hemorrhagic telangiectasia
• Ataxia-telangiectasia

Telangiectasis Resources
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