The back, buttocks and legs of a man suffering from syphilis, showing diseased areas of skin affected by papulotubercular squamous syphiloderm. Process print after a photograph, ca. 1905.

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The back, buttocks and legs of a man suffering from syphilis, showing diseased areas of skin affected by papulotubercular squamous syphiloderm. Process print after a photograph, ca. 1905. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.