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Latest revision as of 17:32, 20 August 2012
For the WikiDoc page for this topic, click here
Editor-in-Chief: Alexandra M. Palmer
What is Xanthoma?
Xanthoma is a skin condition in which fat builds up under the surface of the skin.
What are the symptoms of Xanthoma?
A xanthoma looks like a sore or bump under the skin. It's usually flat, soft to the touch, and yellow in color. It has sharp, distinct edges.
What causes Xanthoma?
Xanthomas are common, particularly among older adults and people with high blood lipids.
Xanthomas vary in size. Some are very small, while others are bigger than 3 inches in diameter. They may appear anywhere on the body, but are most often seen on the elbows, joints, tendons, knees, hands, feet, or buttocks.
They may be a sign of a medical condition that involves an increase in blood lipids. Such conditions include:
- Certain cancers
- Diabetes
- Inherited metabolic disorders such as familial hypercholesterolemia
- Primary biliary cirrhosis
Xanthelasma palpebra, a common type of xanthoma that appears on the eyelids and may occur without any underlying medical condition, is not necessarily associated with elevated cholesterol or lipids.
Who is at risk for Xanthoma?
Older adults and people with high blood lipids are at risk for xanthoma.
How do I know I have Xanthoma?
Your health care provider will examine the skin. Usually, a diagnose of xanthoma can be made by looking at your skin. A biopsy of the growth will show a fatty deposit.
You may have blood tests done to check lipid levels, liver function, and for diabetes.
When to seek urgent medical care
Call your health care provider if xanthomas develop. They may indicate an underlying disorder that needs treatment.
Treatment options
If you have a disease that causes increased blood lipids, treating the condition may help reduce the development of xanthomas.
If the growth bothers you, your doctor may remove it. However, xanthomas may come back after surgery.
Where to find medical care for Xanthoma
Directions to Hospitals Treating Xanthoma
What to expect (Outlook/Prognosis)
The growth is non-cancerous and painless, but may be a sign of another medical condition.
Possible complications
The growth may cause a change in how you look. This is called cosmetic disfiguring.