Erythroplasia of Queyrat with urethral involvement: treatment with carbon dioxide laser vaporization.

Background: Erythroplasia of Queyrat is an uncommon carcinoma in situ that usually arises on the mucosa of the glans penis or prepuce as red, shiny, sharply demarcated velvety plaques. The treatment is often difficult and associated with significant recurrence rates, especially in cases with urethral involvement.

Objective: To evaluate carbon dioxide laser treatment in a case of erythroplasia of Queyrat with urethral involvement.