Discoid lupus erythematous

Discoid lupus erythematosus is a benign disorder generally seen in younger females. It very rarely progresses to systemic lupus erythematosus (in less than 5% of cases). Discoid lupus erythematosus is characterised by follicular keratin plugs and is thought to be autoimmune in aetiology

Features

• erythematous, raised rash, sometimes scaly
• may be photosensitive
• more common on face, neck, ears and scalp
• lesions heal with atrophy, scarring (may cause scarring alopecia), and pigmentation

Management

• topical steroid cream
• oral antimalarials may be used second-line e.g. hydroxychloroquine
• avoid sun exposure

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