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This image depicts a close anterior view of a male patient’s penis, highlighting the presence of a primary syphilitic chancre located on the external surface of the prepuce with accompanying localized edema caused by the bacterium, Treponema pallidum. Primary syphilis presents itself as a genital ulcer, or chancre that is usually firm, round, small, and painless, and appears at the spot where the T. pallidum spirochetes entered the recipient’s body.
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Content Providers(s):CDC/ Susan Lindsley
Creation Date:1977
Photo Credit:
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.