Skin growths - fatty; Xanthelasma
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.
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.
Errors in Metabolism. James WD, Berger TG, Elston DM, eds. Andrews' Diseases of the Skin: Clinical Dermatology. 10th ed. Philadelphia, Pa: Saunders Elsevier; 2005: chap 26.
Massengale WT, Nesbitt LT Jr. Xanthomas. In: Bolognia JL, Jorizzo JL, Rapini RP, eds.: Dermatology. 2nd ed. Philadelphia, Pa: Mosby Elsevier; 2008: chap 91.
Semenkovich CF. Disorders of Lipid Metabolism. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier. 2007: chap 217.
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