Definition of xanthoma in English:

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Pronunciation: /zanˈTHōmə/

noun (plural xanthomas or xanthomata /-mətə/)

An irregular yellow patch or nodule on the skin, caused by deposition of lipids.
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.

For editors and proofreaders

Syllabification: xan·tho·ma

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