Finegoldia magna

Background

Microbiology

• Gram-positive anaerobic coccus within the genus Finegoldia
• Member of the normal flora of the skin, oral cavity, GI tract, and GU tract
• Usually appear in polymicrobial infections, but can be monomicrobial

Clinical Manifestations

• May be a contaminant of cultures
• Can cause wound, soft tissue, and bone and joint infections
  • One of the main species involved in infections of chronic ulcers, including diabetic foot infections, venous stasis ulcers, and pressure injuries
• Case reports of endocarditis, breast abscess, pleural empyema, mediastinitis, chronic balanitis, and bacterial vaginosis

Management

• Almost always susceptible to penicillin, amoxicillin, clindamycin, metronidazole, and vancomycin
• Unclear if susceptible to fluoroquinolones, but they are occasionally used to treat

Further Reading

• Finegoldia magna Isolated from Orthopedic Joint Implant-Associated Infections. J Clin Microbiol. 2017;55(11):3283-3291. doi: 10.1128/JCM.00866-17