ليكن پلان اكتينيك با نماي باليني ملاسما: گزارش يك مورد

Actinic lichen planus is a clinical veriant of lichen planus, involving mainly sun-exposed areas and mainifested as annular lesions with a pigmented center surrounded by a hypopigmented zone. A rare presentation of actinic lichen planus mimicks melasma but have distinctive histopathologic picture in favour of actinic lichen planus. Herein, we report a 14-year-old boy who presented with a melasma-like patch on the left side of forehead. Histopathologic findings including pigmentation of basal layer accompanied with vacuolization and also pigmentary macrophages in dermis were in favour of actinic lichen planus.