Xanthoma

from WordNet (r) 3.0 (2006)

xanthoma
    n 1: 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

from The Collaborative International Dictionary of English v.0.48

Xanthoma \Xan*tho"ma\, n. [NL. See {Xantho-}, and {-oma}.]
   (Med.)
   A skin disease marked by the development or irregular
   yellowish patches upon the skin, especially upon the eyelids;
   -- called also {xanthelasma}.
   [1913 Webster]