A 30-year-old man presents to a sexual health clinic with a painless genital ulcer for 2 weeks and generalised non-tender lymphadenopathy. He reports ...

Question

A 30-year-old man presents to a sexual health clinic with a painless genital ulcer for 2 weeks and generalised non-tender lymphadenopathy. He reports unprotected intercourse with multiple partners. What is the most appropriate initial diagnostic test for suspected primary syphilis?

Accepted Answer

Dark-field microscopy of lesion exudate or direct treponemal test

Answer

Non-treponemal serology (RPR) only

Answer

Treponemal serology (TPPA) only

Answer

HIV antibody test only

Answer

Urine nucleic acid amplification test for chlamydia

ca-mccqe1 MCQ (SBA): Primary syphilis

A 30-year-old man presents to a sexual health clinic with a painless genital ulcer for 2 weeks and generalised non-tender lymphadenopathy. He reports unprotected intercourse with multiple partners. What is the most appropriate initial diagnostic test for suspected primary syphilis?