Several conditions can cause a false-positive syphilis test result. However, healthcare professionals often use two different tests to diagnose a person with syphilis. Syphilis is a sexually ...

Neurosyphilis is a chronic infectious disease caused by the invasion of Treponema pallidum into the central nervous system. In recent years, with the increase in the latent syphilis infection rate, ...

Dr. Mia Y. Bothwell (Medicine): A 55-year-old man was evaluated in the rheumatology clinic of this hospital because of bilateral hearing loss and eye redness. The patient had been in his usual state ...

Syphilis is a sexually transmitted, infectious disease caused by the bacterium Treponema pallidum. Symptoms correspond to the four stages of infection. In primary syphilis, a painless ulcer occurs at ...

A 25-year-old man presents to your clinic for routine sexually transmitted infection (STI) testing. He has no symptoms nor known contacts with STIs. He has a history of previously treated syphilis, ...

Panel A shows a syphilitic chancre with a clean base and heaped-up margins. Panels B and C show scaly plaque on the palm and sole, respectively, of a patient with syphilis. Panel D shows bacteria with ...

Infants whose mothers had syphilis during pregnancy were studied to determine how often exposed newborns with normal physical examinations and nonreactive nontreponemal serologic tests had abnormal ...