A case of erythroplasia of queyrat treated with imiquimod 5% cream and excision.

Imiquimod is a new immunomodulating agent with antitumor and antiviral properties that has been shown to be clinically effective in various kinds of skin diseases, including precancerous dermatoses. Erythroplasia of Queyrat is a carcinoma in situ that mainly occurs on the glans penis. There are several non-invasive treatment options for erythroplasia of Queyrat such as photodynamic therapy, cryosurgery and applying various kinds of topical agents. We now report a case of typical erythroplasia of Queyrat on glans penis associated with human papillomavirus type 16 infection that was treated by imiquimod 5% cream and the subsequent excision of an imiquimod-resistant penile lesion.