Lemierre's syndrome caused by in an elderly woman.

Lemierre's syndrome is characterized by septic thrombophlebitis of the internal jugular vein. It typically presents in healthy adolescents or young adults, usually preceded by an oropharyngeal infection, with the most common offending pathogen being . We present a case of Lemierre's syndrome in an elderly woman without antecedent oropharyngeal infection, caused by . She was successfully treated with combined surgical and medical management.