Multiple Painless Ulcerations of the Oral Cavity

A 41-year-old caucasian man was referred by Hospital Municipal Vila Santa Catarina to the Dental School Clinic of the Hospital Israelita Albert Einstein, São Paulo, Brazil with a painless sore on the palate of approximately three weeks duration. Intraoral examination revealed multiple asymptomatic lesions: an erythematous, ulcerated lesion affecting the left hard and extending bilaterally onto the soft palate with a total extension of 6 cm (Figure 1A), and a white plaque on the labial mucosa (Figure 1B) with a reddish/erythematous background.