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 ...

Syphilis is a sexually transmitted bacterial infection that develops in stages, and symptoms vary depending on the stage of the disease you have. There are four stages of syphilis: primary, secondary, ...

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, ...

Syphilis is a well known sexually transmitted infection (STI), which is most commonly transmitted by having unprotected sex with someone who's infected. It should not be taken for granted as if left ...