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Tinea Corporis — RACP Paediatrics MCQ

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ModerateCommunity & Indigenous HealthTinea CorporisRACP Paediatrics

A 6-year-old Aboriginal child presents with multiple flat, circular, scaly lesions on the trunk and limbs. KOH preparation of skin scrapings shows fungal hyphae. What is the most common dermatophyte causing tinea corporis in Australian children?

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Correct answer: B — Trichophyton rubrum

Trichophyton rubrum is the most common dermatophyte causing tinea corporis globally. In Aboriginal communities, tinea and other skin infections are highly prevalent due to overcrowding and environmental factors. Topical antifungals (terbinafine, clotrimazole) are effective for limited tinea corporis; oral antifungals for extensive disease.

Reference: Therapeutic Guidelines – 2024 – Dermatology: Tinea