Clinical manifestation

Minimally scaly, erythematous papule or plaque, evolving with hypopigmentation in the central area and hyperpigmentation at the active border, often starting after sun exposure; as lesion evolves, dilation of follicular openings occurs with keratinous plug (follicular plugging; patulous follicles); resolution with atrophy and scarring; localized variant: head and neck affected; usually only a few lesions; widespread vari ant: areas other than head and neck affected; more likely to develop systemic lupus erythematosus

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