Xanthelasma and Xanthoma
DefinitionXanthoma is a condition in which fatty deposits form beneath the skin. They range from very small to up to 3 inches in size. Xanthomas can be cosmetically disfiguring. Xanthomas may appear anywhere on the body, but are most frequently found on the elbows, joints, tendons, knees, hands, feet, and buttocks.Xanthelasma is a form of xanthoma that appears on the eyelids.
CausesXanthoma is typically caused by:
- Elevated levels of fats in the blood
- Metabolic disorders including:
Risk FactorsXanthoma is more common in older adults. Factors that may increase your chance of xanthoma include:
- Having a metabolic disorder listed above
- Having extremely high cholesterol and/or triglyceride levels
SymptomsXanthoma may cause:
- Bumps under the skin
- Skin lesions that are:
- Many different shapes
- Yellow to orange
- Have well-defined borders
DiagnosisXanthoma is usually diagnosed by examining the skin growths. A biopsy of the tissue will confirm a fatty deposit.
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