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Atopic Eczema — SCE Dermatology MCQ

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EasyInflammatory DermatosesAtopic EczemaSCE Dermatology

A 30-year-old woman with atopic eczema undergoes the EASI (Eczema Area and Severity Index) assessment. What four clinical signs does EASI evaluate?

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Correct answer: C — Erythema, oedema/papulation, excoriation, lichenification

EASI evaluates four clinical signs across four body regions (head/neck, trunk, upper limbs, lower limbs): Erythema, oedema/papulation (induration), Excoriation, and Lichenification — each scored 0-3 and weighted by affected BSA in each region. Total EASI ranges 0-72. EASI is the primary outcome measure in most AD clinical trials. Severity bands: clear 0, almost clear 0.1-1.0, mild 1.1-7.0, moderate 7.1-21.0, severe 21.1-50.0, very severe 50.1-72.0. Unlike SCORAD, EASI does not include subjective symptoms (itch, sleep loss). EASI 75 (75% improvement) is the standard primary endpoint in biologic trials for AD.

Reference: BAD 2020 AD Guidelines; HOME Initiative