Septic Arthritis Caused by Erysipelothrix rhusiopathiae in a Prosthetic Knee Joint

We describe the third case of prosthetic infection due to Erysipelothrix rhusiopathiae. The patient, a 68-year-old woman, had had total knee arthroplasty 12 months before diagnosis. She had been in contact with swine at home. We review the seven previous reports of septic arthritis due to E. rhusiopathiae.