The painful, non-indurated chancre.
After reviewing 20 consecutive male patients with primary syphilis and 23 textbooks on venereology, it can be emphasized that the syphilitic chancre may be painful, and not indurated, and that the textbooks in some cases give a misleading description of the disorder.
D002601:Chancre / Q000175:diagnosis*; D006801:Humans; D008297:Male; D010146:Pain; D013587:Syphilis / Q000175:diagnosis*