Figure 4: 4: (a and b) Biopsy (verrucous papule), H&E: Marked hyperkeratosis, epidermal hyperplasia, papillomatosis, an increased pigment in the basal layer, and sparse peri-vascular lymphocytes in the upper dermis (a: scanner view, b: 10×)
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Figure 4: 4: (a and b) Biopsy (verrucous papule), H&E: Marked hyperkeratosis, epidermal hyperplasia, papillomatosis, an increased pigment in the basal layer, and sparse peri-vascular lymphocytes in the upper dermis (a: scanner view, b: 10×)
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