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What is Causes of localized hypopigmented macule or patch are all except - and explain in detail?
Freckles are small (>5 mm in diameter), circumscribed, poorly marginated, labile, pale brown macules that appear exclusively on the sun exposed skin of a fair complexioned individual. The term ephelides is also used to describe freckles. others piebaldism, vitiligo and pityriasis alba produce hypopigmentes macules IADVL textbook of dermatology , pigmentary disorders page 772