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Vitiligo — RACP Paediatrics MCQ

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EasyDermatologyVitiligoRACP Paediatrics

A 12-year-old girl presents with well-demarcated, depigmented patches on her hands, face, and knees. The patches are completely white and have no scale. Wood lamp shows bright chalk-white fluorescence. What is the diagnosis?

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Correct answer: D — Vitiligo

Vitiligo: autoimmune destruction of melanocytes causing sharply demarcated, completely depigmented macules and patches. Wood lamp examination enhances visualisation. Treatment includes topical corticosteroids or calcineurin inhibitors (tacrolimus), narrow-band UVB phototherapy, and sun protection.

Reference: Therapeutic Guidelines – 2024 – Dermatology: Vitiligo