Heffner: The Reproductive System at a Glance (4/e)

A Primary – localized genital chancre lesion for 1–2 months

B Tertiary – end-organ damage that will kill approximately 25% of untreated patients

C Latent – asymptomatic stage of variable length between primary and secondary stage syphilis

D Secondary – disseminated disease with immune complex deposition in joints, kidneys and eyes

The Reproductive System at a Glance