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A chancre (/ ˈ ʃ æ ŋ k ər / SHANG-kər) [1] is a painless genital ulcer most commonly formed during the primary stage of syphilis. [2] This infectious lesion forms around 21 days after the initial exposure to Treponema pallidum, the gram-negative spirochaete bacterium causing syphilis, but can range from 10 to 90 days. [2]
[1] [2] The primary stage classically presents with a single chancre (a firm, painless, non-itchy skin ulceration usually between 1 cm and 2 cm in diameter), though there may be multiple sores. [2] In secondary syphilis, a diffuse rash occurs, which frequently involves the palms of the hands and soles of the feet. [2]
The initial ulcer may be mistaken as a "hard" chancre, the typical sore of primary syphilis, as opposed to the "soft chancre" of chancroid. [citation needed] Approximately one-third of the infected individuals will develop enlargements of the inguinal lymph nodes, the nodes located in the fold between the leg and the lower abdomen. [citation ...
“The primary lesion of syphilis, when present, is a painless ulcer,” Dr. Amesh Adalja, a senior scholar at the Johns Hopkins Center for Health Security, tells Yahoo Life. But because the sore ...
Additionally, syphilis can cause painless red sores on the penis, called chancres. Finally, human papillomavirus (HPV), can cause genital warts and Bowenoid papulosis.”
Syphilis is typically spread through direct contact with a syphilis sore, known as a chancre, during vaginal, anal or oral sex. It can also be passed from a pregnant person to a child during birth ...