Xanthosis

from WordNet (r) 3.0 (2006)

xanthosis
    n 1: an abnormal yellow discoloration of the skin

from The Collaborative International Dictionary of English v.0.48

Xanthosis \Xan*tho"sis\, n. [NL., fr. Gr. xanqo`s yellow.]
   (Med.)
   The yellow discoloration often observed in cancerous tumors.
   [1913 Webster]