A 23-year-old man presented to our dermatology department with a 2-month history of a painless, nonpruritic ulcer on his right thumb ( [Figure 1A] [1]). He reported sex with men and a history of HIV.

The differential diagnosis includes chancroid, herpes simplex, tuberculous chancre, deep mycoses, squamous cell carcinoma, traumatic ulcer, aphthous stomatitis and Behçet syndrome. 3 Without treatment ...

Causes of syphilis: Besides sexual contact, syphilis can spread through the placenta from the mother to the foetus, blood transfusion and direct contact with an open lesion (Image: Canva) Syphilis is ...

Images in Clinical Medicine Syphilitic Chancre of the Tongue Authors: Konrad Staines, B.Ch.D., and Philip Sloan, B.D.S., Ph.D. Author Info & Affiliations Published August 4, 2011 N Engl J Med 2011;365 ...

Syphilis causes similar symptoms in females and males. A person may first notice sores on the body, including on the vagina or vulva. Other symptoms can include a rash, fever, sore throat, headaches, ...

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