Radiology CT - Cortical Destruction - Sequestrum Treatment Quiz

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Questions and Answers

What is the most common microorganism causing septic arthritis in all age groups?

  • Mycobacterium
  • Staphylococcus aureus (correct)
  • Streptococcus
  • Salmonella

Which type of arthritis usually presents with more acute symptoms than osteomyelitis?

  • Psoriatic arthritis
  • Osteoarthritis
  • Rheumatoid arthritis
  • Septic arthritis (correct)

What is the primary route of spread of bacteria to the joint space causing septic arthritis?

  • Lymphatic spread
  • Direct inoculation by aspiration
  • Hematogenous route (correct)
  • Direct route from adjacent osteomyelitis focus

When does cartilage destruction typically start in cases of acute infection that leads to septic arthritis?

<p>Between 4-6 days (C)</p> Signup and view all the answers

Which joint is usually most affected by monoarticular septic arthritis?

<p>Knee (B)</p> Signup and view all the answers

What imaging modality is more sensitive in detecting early bone and cartilage destruction in patients with septic arthritis?

<p>CT (C)</p> Signup and view all the answers

Which of the following is NOT a long-term change seen in imaging of patients with septic arthritis?

<p>Synovial hypertrophy (B)</p> Signup and view all the answers

Which imaging finding can be detected within the first 24 hours in patients with septic arthritis?

<p>Abnormal signal in bone marrow (A)</p> Signup and view all the answers

Which of the following is a differential diagnosis for septic arthritis?

<p>Gout (D)</p> Signup and view all the answers

In imaging, which condition is associated with contrast enhancement around the synovia and joint effusion?

<p>Pseudogout (B)</p> Signup and view all the answers

Which type of arthritis is characterized by a suppurative infection of the synovia and synovial fluid?

<p>Septic arthritis (C)</p> Signup and view all the answers

In which age group does osteomyelitis most commonly occur?

<p>Children (B)</p> Signup and view all the answers

What is the most common etiological agent of osteomyelitis in young adults?

<p>Staphylococcus aureus (B)</p> Signup and view all the answers

Which medical condition is NOT associated with an increased risk of septic arthritis?

<p>Ankylosing spondylitis (A)</p> Signup and view all the answers

What is the main diagnostic factor to consider in antibiotic treatment for osteomyelitis?

<p>Serum antibiotic levels (D)</p> Signup and view all the answers

Which pathogen is most commonly associated with osteomyelitis in neonates?

<p>Group B streptococci (C)</p> Signup and view all the answers

What is the recommended antibiotic treatment for adults with postoperative implant infections?

<p>Vancomycin and ceftazidime (C)</p> Signup and view all the answers

Which approach is recommended for open drainage in surgical treatment of septic arthritis?

<p>Posteromedial approach (D)</p> Signup and view all the answers

What is the most common cause of acute hip pain in the age group of 3-10 years?

<p>Osteomyelitis (B)</p> Signup and view all the answers

What type of infection shows a good response to treatment based on prognosis?

<p>Gonococcal infection (B)</p> Signup and view all the answers

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