If it's red and scaly look for fungus: remember cutaneous protothecosis

Abstract

A 34-year-old woman presented with a 5-year old history of unilateral facial erythematous plaque and scattered papules. The lesions continue to spread slowly. She complains mild pruritus. No medical history including diabetes or immunosuppression were recorded. Physical examination showed large area of well-demarcated erythematous plaque on the right cheek(Fig.A) with infiltrating pinpointed-flesh papules at the margin with less scales(Fig.B).

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