PMC4314887_01
Large, blackish growths with verrucous, lobulated surface over the pubis, penis, scrotum, groin, and upper thigh
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F1
Examination revealed multiple, brownish black to black nodules, plaques, and tumors with lobulated, irregular, greasy surface [Figure 1].
Large, warty, lobulated tumors over the perineum, groin and upper thigh. Some areas are reddish, with eroded surface
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F2
In some areas, the lesions had erythematous moist erosions over the surface [Figure 2].
Histopathology showing hyperkeratosis, acanthosis with basaloid cells, papillomatosis and horn cysts within the acanthotic epidermis (H and E, x100)
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F3
Histopathological examination of multiple biopsy specimens showed similar features of hyperkeratosis, papillomatosis and acanthosis with proliferation of basaloid cells containing multiple horn cysts [Figure 3].