_:vb50937169 "A tertiary syphilis that is characterized by granulomatous lesions, called gummas, which are characterized by a center of necrotic tissue with a rubbery texture. They form in the liver, bones, and testes but may affect any organ."^^ . _:vb50937169 . _:vb50937169 "url:https://www.ncbi.nlm.nih.gov/pubmed/31437386"^^ . _:vb50937169 . _:vb50937169 . _:vb50937169 . _:vb50937169 .