Syphilis Clinical Findings - Chancre and Characteristic Rash A: Syphilitic chancre with a clean, painless base and raised edges. B and C: Squamous plaque on the palm and sole, respectively, of a patient with syphilis. D: Gram bacteria - corkscrew-like in appearance, which is characteristic of Treponema pallidum. #Syphilis #Clinical #photo #chancre #palms #soles #rash #dermatology