Path. [f. Gr. ξανθός yellow + -ωμα (cf. sarcoma).] An affection of the skin, characterized by the growth of yellowish patches or tubercles. Also attrib. Hence Xanthomatous a., pertaining to or of the nature of xanthoma.

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1876.  Duhring, Dis. Skin, 410. Xanthoma is a connective-tissue new growth, characterized by the formation of yellowish, circumscribed, irregularly shaped,… non-indurated patches or tubercles.

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1899.  Allbutt’s Syst. Med., VIII. 484. The chamois-leather-like patches may simulate xanthoma. Ibid., 896. The so-called ‘xanthoma cell’ is … a fragmented muscle fibre in a state of granulo-fatty degeneration.

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1914.  Lancet, 13 June, 1697/1. Xanthomatous nodules in the liver.

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