Xanthomata

Xanthoma refers to a condition where fatty deposits build up under the skin, forming yellowish bumps or plaques. These deposits are made of cholesterol and can develop anywhere on the body but commonly appear on areas like elbows, knees, hands, feet, or buttocks. Xanthomas are typically painless but can be indicative of underlying health issues, such as high cholesterol, diabetes, and cholestatic liver disease.

Source: DermNetNZ.org [1]

Xanthelasma

Fatty deposits of cholesterol under the skin located on and around the eyelid

Source: DermNetNZ.org [1]

Tendinous xanthoma 

Xanthoma of the achilles heel seen in hypercholestroaemia 

Source: Sachin Sondhi; IHJ Cardiovascular Case Reports [7]

Xanthelasma

Xanthelasma inferior to the lower eyelid

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Acanthosis nigricans