chancre
Sign in to saveAlso known as primary genital syphilis, Genital syphilis, Genital syphilis (primary), primary genital syphilis (disorder), obsolete primary genital syphilis
thumb|Chancres on the face and hand. Up-left: upper lip, Up-right: lower lip, Bottom-right: right upper eyelid, Bottom-right: thumb. thumb|right|Chancre on the underside of the penis A chancre ( ) is a painless genital ulcer most commonly formed during the primary stage of syphilis. 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. Without treatment it may persist for two to six weeks before healing. Chancres transmit syphilis through direct physical contact.
Research
1,049 papers- [Soft chancre].Annales de dermatologie et de venereologie · 2016
- Syphilitic Chancre of the Lip.The American Journal of dermatopathology · 2020
- Multiple syphilitic chancre.Medicina clinica · 2018
- CHANCRE REDUX.The British journal of venereal diseases · 1964
- [A chancre instead of cancer].Nederlands tijdschrift voor geneeskunde · 2019
via PubMed
~3 min read
Article
5 sectionsContents
- Similarities with chancroid
- Differences from chancroid
- Etymology
- See also
- References
thumb|Chancres on the face and hand. Up-left: upper lip, Up-right: lower lip, Bottom-right: right upper eyelid, Bottom-right: thumb. thumb|right|Chancre on the underside of the penis A chancre ( ) is a painless genital ulcer most commonly formed during the primary stage of syphilis. 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. Without treatment it may persist for two to six weeks before healing. Chancres transmit syphilis through direct physical contact. These ulcers usually form on or around the anus, mouth, penis and vulva.
Chancres are also associated with the African trypanosomiasis (sleeping sickness), surrounding the area of the tsetse fly bite.