Definition of xanthoma in English:


Line breaks: xan|thoma
Pronunciation: /zanˈθəʊmə

noun (plural xanthomas or xanthomata /-mətə/)

  • An irregular yellow patch or nodule on the skin, caused by deposition of lipids.
    More example sentences
    • The plasma has a milky appearance, and xanthomata appear in the skin as bright yellow papules particularly at the elbows, knees, and buttocks.
    • Biopsy showed the papules to be eruptive xanthomas.
    • Elevated levels of cholesterol and bile pigments in the blood can cause gallstones, xanthomas, and high cholesterol.


mid 19th century: from Greek xanthos 'yellow' + -oma.

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