PMC7339900_01
Subcutaneous nodule on the right superolateral forehead.
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A healthy 5-year-old girl was referred to a plastic surgeon for an evaluation of a subcutaneous nodule on her right superolateral forehead, which appeared spontaneously 7 months ago (Figure 1).
Subcutaneous nodule with intermittent swelling and erythema.
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She complained about intermittent swelling with erythema and mild tenderness on several occasions (Figure 2).
Palisaded granuloma with central fibrinous degeneration in the deep dermis and subcutis.
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Histologic examination showed a palisaded granuloma with central fibrinous degeneration in the deep dermis and subcutis that is compatible with deep GA (Figure 3).
Negative by periodic acid-Schiff-diastase staining.
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Special stains such as alcian blue/periodic acid-Schiff, Grocott methenamine silver, periodic acid-Schiff-diastase, and Ziehl-Neelsen were negatives (Figure 4).