PMC5871384_01
Round plaque with well-defined borders and figurate center
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A 39-year-old female patient with systemic lupus erythematosus, on prolonged use of prednisone 40mg/day and hydroxychloroquine 400mg/day, for two months, presented with a round plaque with well-defined borders and extremely figurate center, with areas of scaling and of healthy skin of approximately 10cm in diameter (Figure 1).
White, wooly colony with yolk-yellow reverse
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The microculture showed fusiform macroconidia with more than six cellular divisions, confirming infection by M. canis (Figures 2 and 3).
Micromorphology with fusiform macroconidia with more than 6 cellular
divisions
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The microculture showed fusiform macroconidia with more than six cellular divisions, confirming infection by M. canis (Figures 2 and 3).
Lesion after treatment
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For the following 20 days, she used isoconazole 1% cream alone, with a complete response to exclusively topical therapy (Figure 4).