Erythroplasia of Queyrat: modern aspects of diagnosis and treatment

This paper presents the current data regarding the epidemiology, risk factors, diagnosis, clinical manifestations, and treatment of Erythroplasia of Queyrat (EQ). The possibility of using photodynamic therapy (PDT) for EQ is analyzed, and clinical observation of a patient with EQ who underwent PDT with an external gel photosensitizer based on E6 chloride is described.