| Noun | 1. | xanthoma - a skin problem marked by the development (on the eyelids and neck and back) of irregular yellow nodules; sometimes attributable to disturbances of cholesterol metabolism xanthelasma - xanthoma of the eyelids; occurs chiefly in the elderly xanthoma disseminatum - rare chronic xanthoma of adults in which orange or brownish papules develop on many surfaces of the body cholesterosis cutis, lipid granulomatosis, lipoid granulomatosis, xanthoma multiplex, xanthomatosis - widespread xanthomas (especially on elbows and knees); often associated with a disorder of lipid metabolism |