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halo nevus

Halo nevus (halo nevus) refers to the depigmentation halo around nevus cells, and then the central pigmented nevus subsides. Most of them occur before the age of 20, and the incidence of halo nevus in vitiligo patients is 18% ~ 26%. If erythema or scab, it can subside by itself after several months. However, there are also cases where the central nevus showing signs of inflammation does not subside.

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