vit·i·li·go /ˌvɪtḷˈaɪ(ˌ)go, ˈi-/
  白癲風
  vit·i·li·go /ˌvɪtḷˈaɪ(ˌ)go , ˈɪ-/ 名詞
  (拉)白斑,白斑病,白癜風
  Vit·i·li·go n.  Med. A rare skin disease consisting in the development of smooth, milk-white spots upon various parts of the body.
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  vitiligo
       n : an acquired skin disease characterized by patches of
           unpigmented skin (often surrounded by a heavily pigmented
           border)