PMC8712934_01
(A-C) Bright red warty papules on bilateral groins, scrotum, perineum, and crissum of the proband. (D-F) Almost all of the warty papules subsided after 5 days of treatment. (G-I) 4 weeks later, only a few greyish white papules remained.
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F1
On physical examination, multiple bright red verrucous papules were observed in his mons pubis, bilateral groins, scrotum, perineum, and crissum (Figures 1A-C). The warty papules were dramatically improved after 5 days of his second visit (Figures 1D-F). Four weeks later, a few greyish white small papules were still present in his bilateral groins (Figures 1G-I).
(A,B) Epidermal hyperkeratosis accompanied by parakeratosis, acantholysis with the appearance of a dilapidated brick-wall, and formation of intraepidermal blisters. (C) Some lymphocytes and a few eosinophils in the dermis.
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F2
In addition, there were vascular dilatation in the dermal papilla and infiltration of lymphocytes and eosinophils in the dermis (Figure 2).