Images in clinical urology. Nail of glans penis
Cedric Treuthardt1, Patrice Jichlinski
1Department of Urology, University Hospital, Lausanne, Switzerland. cedric.treuthardt@chuv.ch
Abstract:
A 56-year-old man presented with a "nail" growing at the base of his glans penis. The tumor was locally excised, and microscopic examination revealed papillomatosis and hyperkeratosis of the malpighian epithelium, with a strong inflammatory reaction of the chorion and signs of local microinvasion, as well as the presence of well-differentiated squamous epithelial cells. The surgical margins were negative. The differential diagnosis was made between a benign papillomatous proliferation and verrucous carcinoma.
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