Dermatology · UKMLA & AKT
Acne vulgaris
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise acne vulgaris — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- Affects face, upper chest, upper back (highest density of pilosebaceous units)
- Comedones - open (blackheads) or closed (whiteheads); non-inflammatory; presence of comedones distinguishes acne vulgaris from rosacea
- Papules - small (<5mm), raised, red inflammatory lesions
- Pustules - papules containing visible pus
- Nodules - larger (>5mm), deeper, firmer; extend into dermis; more likely to scar
- Cysts - fluctuant, deep, pus-filled; most severe; prone to rupture and scarring
- Always assess psychosocial impact - anxiety, depression, school/work attendance
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