tertiary syphilis
stage of syphilis that occurs fifteen to thirty years after the initial infection; it can include gumma formation and cardiovascular or central nervous system involvement (neurosyphilis)
gummatous syphilis
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