PMC6854063_01
Clinical photograph showing multiple whitish papules on the forehead and hairline.
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Physical examination at our hospital showed discrete hypopigmented papules with a well-demarcated border that coalesce to form plaques on the forehead and hairline (Fig. 1).
Dermatopathology images showing (A) focal compact orthokeratosis, papillomatosis, and epidermal acanthosis (hematoxylin-eosin staining, original magnification 8x) and (B) hypergranulosis with koilocytes (hematoxylin-eosin staining, original magnification 20x).
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The section showed focal compact orthokeratosis and mild papillomatosis with epidermal acanthosis (Fig. 2A). The upper epidermal layer was characterized with koilocytes and hypergranulosis (Fig. 2B).