Bone and Joint

Question 1

What is osetomyelitis?

Answer 1

• progressive infection of bone/bone marrow
• Most common cause: Staphylococcus aureus

Question 2

What is reactive inflammatory arthritis?

Answer 2

• Sterile inflammatory process in the joint following a bacterial infection in distant site in a body
• Most common cause: Chlamydia trachomatis
• Others-Campylobacter jejuni, Yersinia enterocolitica, Shigella, Salmonella, Streptococcus

Question 3

What is septic arthritis?

Answer 3

• Infection of the surface of cartilage lining the joint and synovial fluid
• Most common cause: Staphylococcus aureus

Question 4

Brodie abscess falls under which kind of osteomyelitis?

Answer 4

it is one type of subacute osteomyelitis.

Question 5

What is the most common cause of heatogenous osteomyelitis in people over the age of 16?

Answer 5

• S. aureus, CoNS (S. epidermidis),
• GNB (E. coli, Pseudomonas spp.),
• M. tuberculosis

Question 6

What is the most common cause of heatogenous osteomyelitis in children 1-16 years of age?

Answer 6

• S. aureus,
• S. pyogenes,
• Hemophilus influenzae

Question 7

What is the most common cause of heatogenous osteomyelitis in infants?

Answer 7

• Staphylococcus aureus,
• Streptococcus agalactiae,
• E. coli

Question 8

What is the most likely cause of osteomyelitis in diabetic foot?

Answer 8

• S. aureus,
• Streptococcus,
• Enterococcus,
• GNB (E.coli, Pseudomonas),
• Anerobes (prevotella, bacteroides)

Question 9

What is the most likely cuase od oseomyelitis in patients with sickle cell?

Answer 9

• S. aureus
• Salmonella

Question 10

What is the most common cause of osteomyelitis in patients with prosthetic join?

Answer 10

S. epidermidis (CoNS)

Question 11

What is the most likely cause of osteomylitis in IV illicit drug users?

Answer 11

P. aeuruginosa

Question 12

What is the most likely cause of osteomyelitis in athletes (wet shoes)?

Answer 12

• P. aeru
• S. asreus