Abstract

Vitiligo is sometimes complicated with psoriasis, and more frequently, pigmentation or depigmentation arises after psoriatic lesion subsides. It is not clear whether melanocyte function is maintained in psoriasis, which is characterized by keratinocyte proliferation, and how melanin migration to keratinocytes is affected, and we will discuss the behavior of pigment cells in psoriasis lesions. Melanin-containing cells were observed mainly in the basal layer in the uninvolved lesions and normal control skin, but few melanin-containing cells were found in the psoriasis lesions.

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