The causative agent of this disease shares a genus with the causative agents of bejel, pinta, (*) and yaws.
Severe necrotic lesions caused by this disease are called lues maligna. The Wasserman test for this disease has largely been replaced by the reactive-plasma reagin and VDRL tests. Clutton's joints and sabre shins are manifestations of one form of this disease, which can also manifest as interstitial keratitis, Hutchinson's teeth, and deafness in its congenital form. The causative agent of this disease shares a genus with the causative agents of bejel, pinta, (*) and yaws. This disease is often diagnosed using dark-field microscopy or by detecting FTA antibodies. Its primary form is characterized by painful ulcerating lesions called chancres, and its tertiary form can cause insanity. For 10 points, name this sexually transmitted disease caused by Treponema pallidum.
Severe necrotic lesions caused by this disease are called lues maligna.
syphilis