Vitiligo is an idiopathic disease, clinically characterized by the presence of amelanodermic macules due to loss of melanocytes.

• 白癜风是原发性的局限或泛发的皮肤色素脱失性疾病,人群中的发病率为1%25-2%25,病理表现为局部黑素细胞缺失。