Microbiology

• Staphylococcus aureus causes abscess, myositis, septic arthritis, and osteomyelitis.
• Coagulase negative staphylococci are associated with prosthetic-device related infections.
• Streptococcus pyogenes causes necrotizing fasciitis, streptococcal myositis, septic arthritis, and osteomyelitis.
• Clostridium perfringens causes myonecrosis and gas gangrene.
• Neisseria gonorrhoeae causes septic arthritis.
• Mycobacterium tuberculosis causes tenosynovitis, bursitis, and osteomyelitis.
• Anaerobes cause myositis, septic arthritis, and osteomyelitis.
• Gram negative bacteria cause myositis, septic arthritis, and osteomyelitis.
• Borrelia burgdoferi causes arthritis.