Osteomyelitis

Question 1

list the risk factors for osteomyelitis

Answer 1

• sexually active
• sickle cell disease
• prosthetic joint replacement
• vertebral involvement
• cat and dog bites
• IV drug abuse

Question 2

osteomyelitis–associated infection if there is no other information available

Answer 2

• S. aureus (most common overall)

Question 3

osteomyelitis–associated infection if sexually active

Answer 3

• Neisseria gonorrhoeae (rare)
• septic arthritis mor common

Question 4

osteomyelitis–associated infection if have sickle cell disease

Answer 4

• Salmonella
• S. aureus

Question 5

osteomyelitis–associated infection with prosthetic joint replacement

Answer 5

• S. aureus
• S. epidermidis

Question 6

osteomyelitis–associated infection with vertebral involvement

Answer 6

• S. aureus
• Mycobacterium tuberculosis
  
  • ​Pott disease

Question 7

osteomyelitis–associated infection with cat and dog bites

Answer 7

• Pasteurella multocida

Question 8

osteomyelitis–associated infection with IV drug abuse

Answer 8

• Pseudomonas
• Candida
• S. aureus

Question 9

what is the best way to detect acute osteomyelitis, chronic osteomyelitis?

Answer 9

• elevated C reactive protein (CRP) and erythrocyte sedimentation rate common, but a nonspecific MRI is best for detecting acute infection and detailing anatomic involvement (A)
• radiographs are insensitive early but can be useful in chronic osteomyelitis (B)