Causes of localized hypopigmented macule or patch are all except: (A) Vitiligo, (B) Piebaldism, (C) Pityr i as is alba, (D) Freckle
Answer is D. Freckles - multiple, ill-defined brown macules, which darken on sun exposure. Individual macules may show variation in skin color. All the other three condition produces localized hypopigmented macules or patch.