Syphilis; primary sore (chancre) on penis, 19th C
Wellcome Collection

Syphilis; primary sore (chancre) on penis, 19th C

Christopher D'Alton

CC0 — Public Domain
Wellcome Collection

Pencil with watercolour drawing showing the primary sore (chancre) of syphilis on the glans penis of a 19-year-old patient at the Royal Free Hospital, London. A chancre is a painless indurated, eroded papule, occurring at the site of entry of the infection.

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