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chancre is a topic covered in the Taber's Medical Dictionary.

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(shang′kĕr )

[Fr. chancre, ulcer fr. L. cancer]
A hard, syphilitic primary ulcer, the first sign of syphilis, appearing approx. 2 to 3 weeks after infection at the site of inoculation.

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chancrous (shang′krŭs ), adj.

The ulcer begins as a painless erosion or papule that ulcerates superficially. It generally occurs alone. It has a scooped-out appearance due to level or sloping edges that are adherent, and a shining red or raw floor. The ulcer heals without leaving a scar. It may appear at almost any site including the mouth, penis, urethra, hand, toe, eyelid, conjunctiva, vagina, or cervix.
SYN: SEE: hard chancre; SEE: hunterian chancre; SEE: true chancre

Descriptive text is not available for this imageDuring the chancre stage, syphilis is highly contagious. The chancre contains many spirochetes.

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Venes, Donald, editor. "Chancre." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/748783/all/chancrous.
Chancre. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/748783/all/chancrous. Accessed August 19, 2019.
Chancre. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://www.tabers.com/tabersonline/view/Tabers-Dictionary/748783/all/chancrous
Chancre [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 August 19]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/748783/all/chancrous.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - chancre ID - 748783 ED - Venes,Donald, BT - Taber's Medical Dictionary UR - https://www.tabers.com/tabersonline/view/Tabers-Dictionary/748783/all/chancrous PB - F.A. Davis Company ET - 23 DB - Taber's Online DP - Unbound Medicine ER -