English: This photograph shows that a chancroid infection has spread to the inguinal lymph nodes, which have enlarged forming buboes.

Caused by the sexually transmitted bacterium, Haemophilus ducreyi, in about half of the untreated chancroid cases, the lymph nodes in the groin develop into buboes that can enlarge until they burst through the overlying skin. Content Providers(s): CDC/ Susan Lindsley Creation Date: 1971

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.