text: Vitiligo  is caused by a loss of skin melanocytes.  Although the exact mechanism is not known, at least in some cases, an autoimmune process may play a role.
option_0: Vitiligo causes
option_1: Melanocytic nevus causes
option_2: Vitiligo risk factors
option_3: Dysplastic nevus causes
option_4: Linitis plastica causes
option_5: Vitiligo other diagnostic studies
option_6: Atopic dermatitis causes
option_7: Onychomycosis causes