A Case of Syphilis That Was Diagnosed with Oral Symptoms after a Prolonged Course

Abstract

： Syphilis is one of the sexually transmitted infections. The incidence of syphilis in Japan has increased rap-idly 1︲3） in recent years, and so medical professionals need to be able to make an accurate diagnosis. We experienced a case of syphilis that had been diagnosed with oral mucosal lesions. The patient was a 40-year-old male who was diagnosed with syphilis based on oropharyngeal mucosal findings such as butterfly signs and serological examinations. He was treated with amoxicillin hydrate and was cured in about 10 weeks.