Erythroplasia of Queyrat: treatment with topical 5-fluorouracil.

Seven adult men with biopsy-confirmed erythroplasia of Queyrat (EQ) were cured of their disease with topically applied 5-fluorouracil (5-FU) under occlusion. Post-treatment biopsy specimens revealed normal histologic findings and recurrence-free follow-up periods extended up to 70 months. It is suggested that topical 5-FU is the treatment of choice for histologically confirmed EQ because of its superior results compared with thoseof surgery or radiation therapy. Our view is corroborated by several single case reports of EQ similarly treated.