Vitiligo may occur in one of four distribution patterns.
> 10% of body surface area involved
acral or acrofacial (tip-lip)
distal extremities and face (perioral, other)
single dermatome or extremity
focal involvement not fitting any of the above
Sites of involvement may include:
(1) face (perioral, periorbital)
(4) body folds or creases
(6) hands and/or feet
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