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.

  • Hypercholesterolaemia [1]

  • HIV infection [2]

    Hepatitis C [3]

  • Gastric cancer (gastric xanthoma) [4]

  • Oestrogens

    Tamoxifen (estrogen modulator in breast cancer treatment)

    Oral retinoids

    Prednisolone

    Ciclosporin [1]

  • Medical procedures like organ transplants may require medications that may indirectly contribute to xanthoma formation

  • Cerebrotendinous xanthomatosis [5]

  • Diabetes mellitus

    Insulin resistance [1]

  • Frequent mechanical trauma

    • Achilles heel xanthomas in type II class of hypercholesterolemia [6]

  • Cholestatic liver disease

    Nephrotic syndrome

    Hypercholesterolemia [1]

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