melanotic definition Oral Macule: Symptoms and Treatment Labial Melanotic Macules - DoveMed
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The effects of maternal interleukin-17A on social behavior, cognitive function, and depression-like behavior in mice with altered kynurenine metabolites

Thus, it is extremely difficult or even impossible to determine if the lesion had originally been associated with a nevus or not, they write
doi: 10.1016/S0730-725X(96)00393-1
The cause of vitiligo is unknown but it is felt to be an autoimmune reaction to ones pigment cells of the skin

& Kittler, H