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Guttate Psoriasis — RACP Paediatrics MCQ

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ModerateDermatologyGuttate PsoriasisRACP Paediatrics

A 7-year-old girl develops widespread psoriatic plaques following a streptococcal pharyngitis. She has well-demarcated erythematous plaques with silvery scale on her trunk, elbows, and knees. What subtype of psoriasis is typically triggered by streptococcal infection?

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Correct answer: B — Guttate psoriasis

Guttate psoriasis is characterised by small (drop-like) papules and plaques with silvery scale, often triggered by streptococcal pharyngitis in children. It may be self-limiting or progress to chronic plaque psoriasis. Treatment includes topical corticosteroids, vitamin D analogues, and phototherapy for widespread disease.

Reference: Therapeutic Guidelines – 2024 – Dermatology: Psoriasis