1) Disease of the skin 2) Skin condition 3) Skin disorder 4) Skin problem 
Xanthosis is a type of skin-related disease where one has an abnormal yellow discolouration of the skin, resulting from the accumulation of cholesterol within the skin cells. It can also have such effect that there may be a yellowish discoloration of degenerating tissues, especially seen in malignant neoplasms. It was the championship word used in...
• (n.) The yellow discoloration often observed in cancerous tumors.
(zan-tho´sis) yellowish discoloration; degeneration with yellowish pigmentation.
Xan·tho'sis noun [ New Latin , from Greek 
Type: Term Pronunciation: zan-thō′sis Definitions: 1. A yellowish discoloration of degenerating tissues, especially seen in malignant neoplasms.
Xanthosis: Yellowing of the skin without yellowing of the eyes. In jaundice there is yellowing of both the skin and the whites of the eyes. Xanthosis is associated sometimes with malignancies.
[n] - an abnormal yellow discoloration of the skin
noun an abnormal yellow discoloration of the skin