as the only cutaneous manifestation of the infection. Physical examination revealed a single,
rounded ulcer of the shaft penis characterized by pinkish raised, infiltrated borders and a
crusty yellowish bottom associated with bilateral inguinal lymphadenopathies. Serology for
Treponema pallidum infection and a complete screening for sexually transmitted infections
(STIs) resulted negative except for the detection of Staphylococcus aureus at the cultural …