Fatty lumps under the skin are called xanthomas. They range from very small to up to 3 inches in size. Xanthomas can be cosmetically disfiguring. Xanthomas may appear anywhere on the body. The most common places are the elbows, joints, tendons, knees, hands, feet, and buttocks.
If the fatty lumps are on the eyelids, it’s called xanthelasma.
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