How is SLE clinical manifestation of skin?

Acute rashes, malar rash (butterfly rash, transient or permanent rash non scarring, erythematous raised lesion pruritic or painful, malar distribution photosensitive), subacute rashes, subacute cutaneous LE (10% of SLE pt, photosensitive, begin as small erythematous lesion in back), chronic rashes, discoid lupus erythematous (DLE, up to 25% of pt, discrete erythematous slightly infiltrated plaques, active inflammation at periphery and heal leave a scar or dyspigmentation, on face neck and scalp Others (lupus profundus, lupus tumidus, livedo reticularis, vasculitis, periungeal erythema, alopecia [scarring or lupus hair]) Photosensitivity (inflammatory rash after UV exposure, from sunlight or fluorescent light, lasts days to weeks, 60-100% of pt with SLE)